Home / 78,314.91-117,437.46-24,997.06

Finding the Fourth Proportional to 78,314.91, 117,437.46 and 24,997.06

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Solution

The fourth proportional to 78,314.91, 117,437.46 and 24,997.06 is: 37,484.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,314.91 : 117,437.46 = 24,997.06 : x
  2. Step 2: Convert to fraction form
    78,314.91/117,437.46 = 24,997.06/x
  3. Step 3: Cross multiply
    78,314.91x = 117,437.46 × 24,997.06
  4. Step 4: Simplify right side
    78,314.91x = 2,935,591,233.87
  5. Step 5: Solve for x
    x = 2,935,591,233.87/78,314.91
  6. Step 6: Final answer
    x = 37,484.45

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1.5x scale

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.