Home / 83,532.90-115,275.36-45,807.96

Finding the Fourth Proportional to 83,532.90, 115,275.36 and 45,807.96

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Solution

The fourth proportional to 83,532.90, 115,275.36 and 45,807.96 is: 63,214.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,532.90 : 115,275.36 = 45,807.96 : x
  2. Step 2: Convert to fraction form
    83,532.90/115,275.36 = 45,807.96/x
  3. Step 3: Cross multiply
    83,532.90x = 115,275.36 × 45,807.96
  4. Step 4: Simplify right side
    83,532.90x = 5,280,529,079.87
  5. Step 5: Solve for x
    x = 5,280,529,079.87/83,532.90
  6. Step 6: Final answer
    x = 63,214.96

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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.