Home / 89,657.09-123,685.22-57,836.24

Finding the Fourth Proportional to 89,657.09, 123,685.22 and 57,836.24

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Solution

The fourth proportional to 89,657.09, 123,685.22 and 57,836.24 is: 79,787.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,657.09 : 123,685.22 = 57,836.24 : x
  2. Step 2: Convert to fraction form
    89,657.09/123,685.22 = 57,836.24/x
  3. Step 3: Cross multiply
    89,657.09x = 123,685.22 × 57,836.24
  4. Step 4: Simplify right side
    89,657.09x = 7,153,487,160.77
  5. Step 5: Solve for x
    x = 7,153,487,160.77/89,657.09
  6. Step 6: Final answer
    x = 79,787.19

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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.