Home / 113,613.94-156,780.08-62,623.86

Finding the Fourth Proportional to 113,613.94, 156,780.08 and 62,623.86

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Solution

The fourth proportional to 113,613.94, 156,780.08 and 62,623.86 is: 86,416.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,613.94 : 156,780.08 = 62,623.86 : x
  2. Step 2: Convert to fraction form
    113,613.94/156,780.08 = 62,623.86/x
  3. Step 3: Cross multiply
    113,613.94x = 156,780.08 × 62,623.86
  4. Step 4: Simplify right side
    113,613.94x = 9,818,173,780.71
  5. Step 5: Solve for x
    x = 9,818,173,780.71/113,613.94
  6. Step 6: Final answer
    x = 86,416.98

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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.