Home / 77,518.47-106,974.13-43,527.23

Finding the Fourth Proportional to 77,518.47, 106,974.13 and 43,527.23

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Solution

The fourth proportional to 77,518.47, 106,974.13 and 43,527.23 is: 60,066.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,518.47 : 106,974.13 = 43,527.23 : x
  2. Step 2: Convert to fraction form
    77,518.47/106,974.13 = 43,527.23/x
  3. Step 3: Cross multiply
    77,518.47x = 106,974.13 × 43,527.23
  4. Step 4: Simplify right side
    77,518.47x = 4,656,287,560.56
  5. Step 5: Solve for x
    x = 4,656,287,560.56/77,518.47
  6. Step 6: Final answer
    x = 60,066.81

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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.