Home / 81,802.44-112,884.45-45,503.70

Finding the Fourth Proportional to 81,802.44, 112,884.45 and 45,503.70

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Solution

The fourth proportional to 81,802.44, 112,884.45 and 45,503.70 is: 62,793.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,802.44 : 112,884.45 = 45,503.70 : x
  2. Step 2: Convert to fraction form
    81,802.44/112,884.45 = 45,503.70/x
  3. Step 3: Cross multiply
    81,802.44x = 112,884.45 × 45,503.70
  4. Step 4: Simplify right side
    81,802.44x = 5,136,660,147.47
  5. Step 5: Solve for x
    x = 5,136,660,147.47/81,802.44
  6. Step 6: Final answer
    x = 62,793.48

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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.