Home / 96,642.32-133,331.72-76,502.48

Finding the Fourth Proportional to 96,642.32, 133,331.72 and 76,502.48

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Solution

The fourth proportional to 96,642.32, 133,331.72 and 76,502.48 is: 105,545.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,642.32 : 133,331.72 = 76,502.48 : x
  2. Step 2: Convert to fraction form
    96,642.32/133,331.72 = 76,502.48/x
  3. Step 3: Cross multiply
    96,642.32x = 133,331.72 × 76,502.48
  4. Step 4: Simplify right side
    96,642.32x = 10,200,207,242.67
  5. Step 5: Solve for x
    x = 10,200,207,242.67/96,642.32
  6. Step 6: Final answer
    x = 105,545.97

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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.