Home / 113,613.74-156,788.06-62,628.45

Finding the Fourth Proportional to 113,613.74, 156,788.06 and 62,628.45

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Solution

The fourth proportional to 113,613.74, 156,788.06 and 62,628.45 is: 86,427.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,613.74 : 156,788.06 = 62,628.45 : x
  2. Step 2: Convert to fraction form
    113,613.74/156,788.06 = 62,628.45/x
  3. Step 3: Cross multiply
    113,613.74x = 156,788.06 × 62,628.45
  4. Step 4: Simplify right side
    113,613.74x = 9,819,392,863.16
  5. Step 5: Solve for x
    x = 9,819,392,863.16/113,613.74
  6. Step 6: Final answer
    x = 86,427.87

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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.