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Finding the Fourth Proportional to 64,981.70, 97,318.95 and 44,092.10

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Solution

The fourth proportional to 64,981.70, 97,318.95 and 44,092.10 is: 66,033.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,981.70 : 97,318.95 = 44,092.10 : x
  2. Step 2: Convert to fraction form
    64,981.70/97,318.95 = 44,092.10/x
  3. Step 3: Cross multiply
    64,981.70x = 97,318.95 × 44,092.10
  4. Step 4: Simplify right side
    64,981.70x = 4,290,996,875.30
  5. Step 5: Solve for x
    x = 4,290,996,875.30/64,981.70
  6. Step 6: Final answer
    x = 66,033.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.