Home / 113,607.55-156,771.35-62,620.69

Finding the Fourth Proportional to 113,607.55, 156,771.35 and 62,620.69

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Solution

The fourth proportional to 113,607.55, 156,771.35 and 62,620.69 is: 86,412.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,607.55 : 156,771.35 = 62,620.69 : x
  2. Step 2: Convert to fraction form
    113,607.55/156,771.35 = 62,620.69/x
  3. Step 3: Cross multiply
    113,607.55x = 156,771.35 × 62,620.69
  4. Step 4: Simplify right side
    113,607.55x = 9,817,129,492.05
  5. Step 5: Solve for x
    x = 9,817,129,492.05/113,607.55
  6. Step 6: Final answer
    x = 86,412.65

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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.