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Finding the Fourth Proportional to 67,807.13, 101,710.70 and 26,254.13

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Solution

The fourth proportional to 67,807.13, 101,710.70 and 26,254.13 is: 39,381.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,807.13 : 101,710.70 = 26,254.13 : x
  2. Step 2: Convert to fraction form
    67,807.13/101,710.70 = 26,254.13/x
  3. Step 3: Cross multiply
    67,807.13x = 101,710.70 × 26,254.13
  4. Step 4: Simplify right side
    67,807.13x = 2,670,325,940.19
  5. Step 5: Solve for x
    x = 2,670,325,940.19/67,807.13
  6. Step 6: Final answer
    x = 39,381.20

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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.