Home / 113,987.60-157,298.00-62,997.70

Finding the Fourth Proportional to 113,987.60, 157,298.00 and 62,997.70

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Solution

The fourth proportional to 113,987.60, 157,298.00 and 62,997.70 is: 86,934.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,987.60 : 157,298.00 = 62,997.70 : x
  2. Step 2: Convert to fraction form
    113,987.60/157,298.00 = 62,997.70/x
  3. Step 3: Cross multiply
    113,987.60x = 157,298.00 × 62,997.70
  4. Step 4: Simplify right side
    113,987.60x = 9,909,412,155.66
  5. Step 5: Solve for x
    x = 9,909,412,155.66/113,987.60
  6. Step 6: Final answer
    x = 86,934.12

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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.