Home / 74,931.11-111,850.02-65,472.50

Finding the Fourth Proportional to 74,931.11, 111,850.02 and 65,472.50

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Solution

The fourth proportional to 74,931.11, 111,850.02 and 65,472.50 is: 97,731.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,931.11 : 111,850.02 = 65,472.50 : x
  2. Step 2: Convert to fraction form
    74,931.11/111,850.02 = 65,472.50/x
  3. Step 3: Cross multiply
    74,931.11x = 111,850.02 × 65,472.50
  4. Step 4: Simplify right side
    74,931.11x = 7,323,099,875.20
  5. Step 5: Solve for x
    x = 7,323,099,875.20/74,931.11
  6. Step 6: Final answer
    x = 97,731.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.