Home / 89,657.44-123,725.88-53,384.20

Finding the Fourth Proportional to 89,657.44, 123,725.88 and 53,384.20

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Solution

The fourth proportional to 89,657.44, 123,725.88 and 53,384.20 is: 73,669.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,657.44 : 123,725.88 = 53,384.20 : x
  2. Step 2: Convert to fraction form
    89,657.44/123,725.88 = 53,384.20/x
  3. Step 3: Cross multiply
    89,657.44x = 123,725.88 × 53,384.20
  4. Step 4: Simplify right side
    89,657.44x = 6,605,007,123.10
  5. Step 5: Solve for x
    x = 6,605,007,123.10/89,657.44
  6. Step 6: Final answer
    x = 73,669.37

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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.