Home / 98,909.68-136,470.96-58,632.88

Finding the Fourth Proportional to 98,909.68, 136,470.96 and 58,632.88

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Solution

The fourth proportional to 98,909.68, 136,470.96 and 58,632.88 is: 80,898.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,909.68 : 136,470.96 = 58,632.88 : x
  2. Step 2: Convert to fraction form
    98,909.68/136,470.96 = 58,632.88/x
  3. Step 3: Cross multiply
    98,909.68x = 136,470.96 × 58,632.88
  4. Step 4: Simplify right side
    98,909.68x = 8,001,685,421.16
  5. Step 5: Solve for x
    x = 8,001,685,421.16/98,909.68
  6. Step 6: Final answer
    x = 80,898.91

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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.