Home / 67,440.05-93,060.06-38,753.90

Finding the Fourth Proportional to 67,440.05, 93,060.06 and 38,753.90

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Solution

The fourth proportional to 67,440.05, 93,060.06 and 38,753.90 is: 53,476.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,440.05 : 93,060.06 = 38,753.90 : x
  2. Step 2: Convert to fraction form
    67,440.05/93,060.06 = 38,753.90/x
  3. Step 3: Cross multiply
    67,440.05x = 93,060.06 × 38,753.90
  4. Step 4: Simplify right side
    67,440.05x = 3,606,440,259.23
  5. Step 5: Solve for x
    x = 3,606,440,259.23/67,440.05
  6. Step 6: Final answer
    x = 53,476.24

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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.