Home / 113,874.15-157,147.58-62,886.79

Finding the Fourth Proportional to 113,874.15, 157,147.58 and 62,886.79

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Solution

The fourth proportional to 113,874.15, 157,147.58 and 62,886.79 is: 86,784.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,874.15 : 157,147.58 = 62,886.79 : x
  2. Step 2: Convert to fraction form
    113,874.15/157,147.58 = 62,886.79/x
  3. Step 3: Cross multiply
    113,874.15x = 157,147.58 × 62,886.79
  4. Step 4: Simplify right side
    113,874.15x = 9,882,506,862.47
  5. Step 5: Solve for x
    x = 9,882,506,862.47/113,874.15
  6. Step 6: Final answer
    x = 86,784.46

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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.