Home / 113,799.18-157,042.02-62,811.90

Finding the Fourth Proportional to 113,799.18, 157,042.02 and 62,811.90

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Solution

The fourth proportional to 113,799.18, 157,042.02 and 62,811.90 is: 86,679.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,799.18 : 157,042.02 = 62,811.90 : x
  2. Step 2: Convert to fraction form
    113,799.18/157,042.02 = 62,811.90/x
  3. Step 3: Cross multiply
    113,799.18x = 157,042.02 × 62,811.90
  4. Step 4: Simplify right side
    113,799.18x = 9,864,107,656.04
  5. Step 5: Solve for x
    x = 9,864,107,656.04/113,799.18
  6. Step 6: Final answer
    x = 86,679.95

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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.