Home / 77,527.16-106,986.12-43,535.92

Finding the Fourth Proportional to 77,527.16, 106,986.12 and 43,535.92

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Solution

The fourth proportional to 77,527.16, 106,986.12 and 43,535.92 is: 60,078.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,527.16 : 106,986.12 = 43,535.92 : x
  2. Step 2: Convert to fraction form
    77,527.16/106,986.12 = 43,535.92/x
  3. Step 3: Cross multiply
    77,527.16x = 106,986.12 × 43,535.92
  4. Step 4: Simplify right side
    77,527.16x = 4,657,739,161.43
  5. Step 5: Solve for x
    x = 4,657,739,161.43/77,527.16
  6. Step 6: Final answer
    x = 60,078.81

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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.