Home / 77,517.47-106,972.75-43,526.23

Finding the Fourth Proportional to 77,517.47, 106,972.75 and 43,526.23

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Solution

The fourth proportional to 77,517.47, 106,972.75 and 43,526.23 is: 60,065.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,517.47 : 106,972.75 = 43,526.23 : x
  2. Step 2: Convert to fraction form
    77,517.47/106,972.75 = 43,526.23/x
  3. Step 3: Cross multiply
    77,517.47x = 106,972.75 × 43,526.23
  4. Step 4: Simplify right side
    77,517.47x = 4,656,120,307.21
  5. Step 5: Solve for x
    x = 4,656,120,307.21/77,517.47
  6. Step 6: Final answer
    x = 60,065.43

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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.