Home / 113,613.64-156,779.66-62,623.55

Finding the Fourth Proportional to 113,613.64, 156,779.66 and 62,623.55

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Solution

The fourth proportional to 113,613.64, 156,779.66 and 62,623.55 is: 86,416.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,613.64 : 156,779.66 = 62,623.55 : x
  2. Step 2: Convert to fraction form
    113,613.64/156,779.66 = 62,623.55/x
  3. Step 3: Cross multiply
    113,613.64x = 156,779.66 × 62,623.55
  4. Step 4: Simplify right side
    113,613.64x = 9,818,098,876.99
  5. Step 5: Solve for x
    x = 9,818,098,876.99/113,613.64
  6. Step 6: Final answer
    x = 86,416.55

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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.