Home / 116,987.46-161,442.72-66,011.00

Finding the Fourth Proportional to 116,987.46, 161,442.72 and 66,011.00

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Solution

The fourth proportional to 116,987.46, 161,442.72 and 66,011.00 is: 91,095.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,987.46 : 161,442.72 = 66,011.00 : x
  2. Step 2: Convert to fraction form
    116,987.46/161,442.72 = 66,011.00/x
  3. Step 3: Cross multiply
    116,987.46x = 161,442.72 × 66,011.00
  4. Step 4: Simplify right side
    116,987.46x = 10,656,995,793.53
  5. Step 5: Solve for x
    x = 10,656,995,793.53/116,987.46
  6. Step 6: Final answer
    x = 91,095.20

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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.