Home / 89,245.55-123,159.80-48,959.39

Finding the Fourth Proportional to 89,245.55, 123,159.80 and 48,959.39

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Solution

The fourth proportional to 89,245.55, 123,159.80 and 48,959.39 is: 67,564.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,245.55 : 123,159.80 = 48,959.39 : x
  2. Step 2: Convert to fraction form
    89,245.55/123,159.80 = 48,959.39/x
  3. Step 3: Cross multiply
    89,245.55x = 123,159.80 × 48,959.39
  4. Step 4: Simplify right side
    89,245.55x = 6,029,828,680.52
  5. Step 5: Solve for x
    x = 6,029,828,680.52/89,245.55
  6. Step 6: Final answer
    x = 67,564.47

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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.