Home / 86,613.68-119,490.72-58,270.16

Finding the Fourth Proportional to 86,613.68, 119,490.72 and 58,270.16

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Solution

The fourth proportional to 86,613.68, 119,490.72 and 58,270.16 is: 80,388.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,613.68 : 119,490.72 = 58,270.16 : x
  2. Step 2: Convert to fraction form
    86,613.68/119,490.72 = 58,270.16/x
  3. Step 3: Cross multiply
    86,613.68x = 119,490.72 × 58,270.16
  4. Step 4: Simplify right side
    86,613.68x = 6,962,743,372.92
  5. Step 5: Solve for x
    x = 6,962,743,372.92/86,613.68
  6. Step 6: Final answer
    x = 80,388.49

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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.