Home / 113,781.50-157,017.36-62,794.70

Finding the Fourth Proportional to 113,781.50, 157,017.36 and 62,794.70

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Solution

The fourth proportional to 113,781.50, 157,017.36 and 62,794.70 is: 86,656.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,781.50 : 157,017.36 = 62,794.70 : x
  2. Step 2: Convert to fraction form
    113,781.50/157,017.36 = 62,794.70/x
  3. Step 3: Cross multiply
    113,781.50x = 157,017.36 × 62,794.70
  4. Step 4: Simplify right side
    113,781.50x = 9,859,858,015.99
  5. Step 5: Solve for x
    x = 9,859,858,015.99/113,781.50
  6. Step 6: Final answer
    x = 86,656.07

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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.