Home / 99,165.80-136,835.01-58,331.77

Finding the Fourth Proportional to 99,165.80, 136,835.01 and 58,331.77

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Solution

The fourth proportional to 99,165.80, 136,835.01 and 58,331.77 is: 80,489.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,165.80 : 136,835.01 = 58,331.77 : x
  2. Step 2: Convert to fraction form
    99,165.80/136,835.01 = 58,331.77/x
  3. Step 3: Cross multiply
    99,165.80x = 136,835.01 × 58,331.77
  4. Step 4: Simplify right side
    99,165.80x = 7,981,828,331.27
  5. Step 5: Solve for x
    x = 7,981,828,331.27/99,165.80
  6. Step 6: Final answer
    x = 80,489.73

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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.