Home / 81,304.40-112,190.28-45,491.60

Finding the Fourth Proportional to 81,304.40, 112,190.28 and 45,491.60

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Solution

The fourth proportional to 81,304.40, 112,190.28 and 45,491.60 is: 62,772.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,304.40 : 112,190.28 = 45,491.60 : x
  2. Step 2: Convert to fraction form
    81,304.40/112,190.28 = 45,491.60/x
  3. Step 3: Cross multiply
    81,304.40x = 112,190.28 × 45,491.60
  4. Step 4: Simplify right side
    81,304.40x = 5,103,715,341.65
  5. Step 5: Solve for x
    x = 5,103,715,341.65/81,304.40
  6. Step 6: Final answer
    x = 62,772.93

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1.5x scale

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.