Home / 83,475.45-125,129.61-41,386.32

Finding the Fourth Proportional to 83,475.45, 125,129.61 and 41,386.32

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Solution

The fourth proportional to 83,475.45, 125,129.61 and 41,386.32 is: 62,038.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,475.45 : 125,129.61 = 41,386.32 : x
  2. Step 2: Convert to fraction form
    83,475.45/125,129.61 = 41,386.32/x
  3. Step 3: Cross multiply
    83,475.45x = 125,129.61 × 41,386.32
  4. Step 4: Simplify right side
    83,475.45x = 5,178,654,080.94
  5. Step 5: Solve for x
    x = 5,178,654,080.94/83,475.45
  6. Step 6: Final answer
    x = 62,038.05

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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.