Home / 113,780.50-157,015.98-62,793.70

Finding the Fourth Proportional to 113,780.50, 157,015.98 and 62,793.70

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Solution

The fourth proportional to 113,780.50, 157,015.98 and 62,793.70 is: 86,654.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,780.50 : 157,015.98 = 62,793.70 : x
  2. Step 2: Convert to fraction form
    113,780.50/157,015.98 = 62,793.70/x
  3. Step 3: Cross multiply
    113,780.50x = 157,015.98 × 62,793.70
  4. Step 4: Simplify right side
    113,780.50x = 9,859,614,343.33
  5. Step 5: Solve for x
    x = 9,859,614,343.33/113,780.50
  6. Step 6: Final answer
    x = 86,654.69

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1.5x scale

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.