Home / 77,859.28-107,435.04-43,862.08

Finding the Fourth Proportional to 77,859.28, 107,435.04 and 43,862.08

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Solution

The fourth proportional to 77,859.28, 107,435.04 and 43,862.08 is: 60,523.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,859.28 : 107,435.04 = 43,862.08 : x
  2. Step 2: Convert to fraction form
    77,859.28/107,435.04 = 43,862.08/x
  3. Step 3: Cross multiply
    77,859.28x = 107,435.04 × 43,862.08
  4. Step 4: Simplify right side
    77,859.28x = 4,712,324,319.28
  5. Step 5: Solve for x
    x = 4,712,324,319.28/77,859.28
  6. Step 6: Final answer
    x = 60,523.61

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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.