Home / 96,882.10-133,762.55-86,641.36

Finding the Fourth Proportional to 96,882.10, 133,762.55 and 86,641.36

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Solution

The fourth proportional to 96,882.10, 133,762.55 and 86,641.36 is: 119,623.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,882.10 : 133,762.55 = 86,641.36 : x
  2. Step 2: Convert to fraction form
    96,882.10/133,762.55 = 86,641.36/x
  3. Step 3: Cross multiply
    96,882.10x = 133,762.55 × 86,641.36
  4. Step 4: Simplify right side
    96,882.10x = 11,589,369,249.07
  5. Step 5: Solve for x
    x = 11,589,369,249.07/96,882.10
  6. Step 6: Final answer
    x = 119,623.43

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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.