Home / 89,182.12-123,072.34-50,946.76

Finding the Fourth Proportional to 89,182.12, 123,072.34 and 50,946.76

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Solution

The fourth proportional to 89,182.12, 123,072.34 and 50,946.76 is: 70,307.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,182.12 : 123,072.34 = 50,946.76 : x
  2. Step 2: Convert to fraction form
    89,182.12/123,072.34 = 50,946.76/x
  3. Step 3: Cross multiply
    89,182.12x = 123,072.34 × 50,946.76
  4. Step 4: Simplify right side
    89,182.12x = 6,270,136,968.62
  5. Step 5: Solve for x
    x = 6,270,136,968.62/89,182.12
  6. Step 6: Final answer
    x = 70,307.11

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.