Home / 77,839.04-107,376.95-49,148.33

Finding the Fourth Proportional to 77,839.04, 107,376.95 and 49,148.33

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Solution

The fourth proportional to 77,839.04, 107,376.95 and 49,148.33 is: 67,798.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,839.04 : 107,376.95 = 49,148.33 : x
  2. Step 2: Convert to fraction form
    77,839.04/107,376.95 = 49,148.33/x
  3. Step 3: Cross multiply
    77,839.04x = 107,376.95 × 49,148.33
  4. Step 4: Simplify right side
    77,839.04x = 5,277,396,990.37
  5. Step 5: Solve for x
    x = 5,277,396,990.37/77,839.04
  6. Step 6: Final answer
    x = 67,798.85

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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.