Home / 73,961.55-102,064.95-42,140.70

Finding the Fourth Proportional to 73,961.55, 102,064.95 and 42,140.70

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Solution

The fourth proportional to 73,961.55, 102,064.95 and 42,140.70 is: 58,153.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,961.55 : 102,064.95 = 42,140.70 : x
  2. Step 2: Convert to fraction form
    73,961.55/102,064.95 = 42,140.70/x
  3. Step 3: Cross multiply
    73,961.55x = 102,064.95 × 42,140.70
  4. Step 4: Simplify right side
    73,961.55x = 4,301,088,438.47
  5. Step 5: Solve for x
    x = 4,301,088,438.47/73,961.55
  6. Step 6: Final answer
    x = 58,153.03

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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.