Home / 86,613.18-119,490.03-58,269.66

Finding the Fourth Proportional to 86,613.18, 119,490.03 and 58,269.66

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Solution

The fourth proportional to 86,613.18, 119,490.03 and 58,269.66 is: 80,387.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,613.18 : 119,490.03 = 58,269.66 : x
  2. Step 2: Convert to fraction form
    86,613.18/119,490.03 = 58,269.66/x
  3. Step 3: Cross multiply
    86,613.18x = 119,490.03 × 58,269.66
  4. Step 4: Simplify right side
    86,613.18x = 6,962,643,421.49
  5. Step 5: Solve for x
    x = 6,962,643,421.49/86,613.18
  6. Step 6: Final answer
    x = 80,387.80

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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.