Home / 76,857.77-115,290.18-23,545.92

Finding the Fourth Proportional to 76,857.77, 115,290.18 and 23,545.92

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Solution

The fourth proportional to 76,857.77, 115,290.18 and 23,545.92 is: 35,319.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,857.77 : 115,290.18 = 23,545.92 : x
  2. Step 2: Convert to fraction form
    76,857.77/115,290.18 = 23,545.92/x
  3. Step 3: Cross multiply
    76,857.77x = 115,290.18 × 23,545.92
  4. Step 4: Simplify right side
    76,857.77x = 2,714,613,355.07
  5. Step 5: Solve for x
    x = 2,714,613,355.07/76,857.77
  6. Step 6: Final answer
    x = 35,319.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.