Home / 110,605.08-152,635.05-62,857.20

Finding the Fourth Proportional to 110,605.08, 152,635.05 and 62,857.20

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Solution

The fourth proportional to 110,605.08, 152,635.05 and 62,857.20 is: 86,742.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,605.08 : 152,635.05 = 62,857.20 : x
  2. Step 2: Convert to fraction form
    110,605.08/152,635.05 = 62,857.20/x
  3. Step 3: Cross multiply
    110,605.08x = 152,635.05 × 62,857.20
  4. Step 4: Simplify right side
    110,605.08x = 9,594,211,864.86
  5. Step 5: Solve for x
    x = 9,594,211,864.86/110,605.08
  6. Step 6: Final answer
    x = 86,742.96

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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.