Home / 89,130.51-123,001.74-48,841.92

Finding the Fourth Proportional to 89,130.51, 123,001.74 and 48,841.92

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Solution

The fourth proportional to 89,130.51, 123,001.74 and 48,841.92 is: 67,402.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,130.51 : 123,001.74 = 48,841.92 : x
  2. Step 2: Convert to fraction form
    89,130.51/123,001.74 = 48,841.92/x
  3. Step 3: Cross multiply
    89,130.51x = 123,001.74 × 48,841.92
  4. Step 4: Simplify right side
    89,130.51x = 6,007,641,144.94
  5. Step 5: Solve for x
    x = 6,007,641,144.94/89,130.51
  6. Step 6: Final answer
    x = 67,402.75

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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.