Home / 87,740.61-121,082.04-47,454.37

Finding the Fourth Proportional to 87,740.61, 121,082.04 and 47,454.37

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Solution

The fourth proportional to 87,740.61, 121,082.04 and 47,454.37 is: 65,487.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,740.61 : 121,082.04 = 47,454.37 : x
  2. Step 2: Convert to fraction form
    87,740.61/121,082.04 = 47,454.37/x
  3. Step 3: Cross multiply
    87,740.61x = 121,082.04 × 47,454.37
  4. Step 4: Simplify right side
    87,740.61x = 5,745,871,926.51
  5. Step 5: Solve for x
    x = 5,745,871,926.51/87,740.61
  6. Step 6: Final answer
    x = 65,487.03

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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.