Home / 89,445.43-123,436.95-49,160.21

Finding the Fourth Proportional to 89,445.43, 123,436.95 and 49,160.21

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Solution

The fourth proportional to 89,445.43, 123,436.95 and 49,160.21 is: 67,842.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,445.43 : 123,436.95 = 49,160.21 : x
  2. Step 2: Convert to fraction form
    89,445.43/123,436.95 = 49,160.21/x
  3. Step 3: Cross multiply
    89,445.43x = 123,436.95 × 49,160.21
  4. Step 4: Simplify right side
    89,445.43x = 6,068,186,383.76
  5. Step 5: Solve for x
    x = 6,068,186,383.76/89,445.43
  6. Step 6: Final answer
    x = 67,842.33

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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.