Home / 98,727.61-136,188.74-60,505.68

Finding the Fourth Proportional to 98,727.61, 136,188.74 and 60,505.68

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Solution

The fourth proportional to 98,727.61, 136,188.74 and 60,505.68 is: 83,463.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,727.61 : 136,188.74 = 60,505.68 : x
  2. Step 2: Convert to fraction form
    98,727.61/136,188.74 = 60,505.68/x
  3. Step 3: Cross multiply
    98,727.61x = 136,188.74 × 60,505.68
  4. Step 4: Simplify right side
    98,727.61x = 8,240,192,984.02
  5. Step 5: Solve for x
    x = 8,240,192,984.02/98,727.61
  6. Step 6: Final answer
    x = 83,463.92

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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.