Home / 77,180.97-106,526.28-50,275.47

Finding the Fourth Proportional to 77,180.97, 106,526.28 and 50,275.47

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Solution

The fourth proportional to 77,180.97, 106,526.28 and 50,275.47 is: 69,390.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,180.97 : 106,526.28 = 50,275.47 : x
  2. Step 2: Convert to fraction form
    77,180.97/106,526.28 = 50,275.47/x
  3. Step 3: Cross multiply
    77,180.97x = 106,526.28 × 50,275.47
  4. Step 4: Simplify right side
    77,180.97x = 5,355,658,794.35
  5. Step 5: Solve for x
    x = 5,355,658,794.35/77,180.97
  6. Step 6: Final answer
    x = 69,390.92

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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.