Home / 82,746.90-124,171.65-43,332.30

Finding the Fourth Proportional to 82,746.90, 124,171.65 and 43,332.30

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Solution

The fourth proportional to 82,746.90, 124,171.65 and 43,332.30 is: 65,025.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,746.90 : 124,171.65 = 43,332.30 : x
  2. Step 2: Convert to fraction form
    82,746.90/124,171.65 = 43,332.30/x
  3. Step 3: Cross multiply
    82,746.90x = 124,171.65 × 43,332.30
  4. Step 4: Simplify right side
    82,746.90x = 5,380,643,189.30
  5. Step 5: Solve for x
    x = 5,380,643,189.30/82,746.90
  6. Step 6: Final answer
    x = 65,025.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.