Home / 83,592.28-115,359.36-45,866.50

Finding the Fourth Proportional to 83,592.28, 115,359.36 and 45,866.50

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Solution

The fourth proportional to 83,592.28, 115,359.36 and 45,866.50 is: 63,296.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,592.28 : 115,359.36 = 45,866.50 : x
  2. Step 2: Convert to fraction form
    83,592.28/115,359.36 = 45,866.50/x
  3. Step 3: Cross multiply
    83,592.28x = 115,359.36 × 45,866.50
  4. Step 4: Simplify right side
    83,592.28x = 5,291,130,085.44
  5. Step 5: Solve for x
    x = 5,291,130,085.44/83,592.28
  6. Step 6: Final answer
    x = 63,296.87

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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.