Home / 113,781.46-157,017.36-62,794.66

Finding the Fourth Proportional to 113,781.46, 157,017.36 and 62,794.66

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Solution

The fourth proportional to 113,781.46, 157,017.36 and 62,794.66 is: 86,656.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,781.46 : 157,017.36 = 62,794.66 : x
  2. Step 2: Convert to fraction form
    113,781.46/157,017.36 = 62,794.66/x
  3. Step 3: Cross multiply
    113,781.46x = 157,017.36 × 62,794.66
  4. Step 4: Simplify right side
    113,781.46x = 9,859,851,735.30
  5. Step 5: Solve for x
    x = 9,859,851,735.30/113,781.46
  6. Step 6: Final answer
    x = 86,656.05

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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.