Home / 81,740.03-112,802.57-44,947.80

Finding the Fourth Proportional to 81,740.03, 112,802.57 and 44,947.80

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Solution

The fourth proportional to 81,740.03, 112,802.57 and 44,947.80 is: 62,028.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,740.03 : 112,802.57 = 44,947.80 : x
  2. Step 2: Convert to fraction form
    81,740.03/112,802.57 = 44,947.80/x
  3. Step 3: Cross multiply
    81,740.03x = 112,802.57 × 44,947.80
  4. Step 4: Simplify right side
    81,740.03x = 5,070,227,131.11
  5. Step 5: Solve for x
    x = 5,070,227,131.11/81,740.03
  6. Step 6: Final answer
    x = 62,028.70

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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.