Home / 90,862.14-125,393.88-50,578.47

Finding the Fourth Proportional to 90,862.14, 125,393.88 and 50,578.47

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Solution

The fourth proportional to 90,862.14, 125,393.88 and 50,578.47 is: 69,800.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,862.14 : 125,393.88 = 50,578.47 : x
  2. Step 2: Convert to fraction form
    90,862.14/125,393.88 = 50,578.47/x
  3. Step 3: Cross multiply
    90,862.14x = 125,393.88 × 50,578.47
  4. Step 4: Simplify right side
    90,862.14x = 6,342,230,597.76
  5. Step 5: Solve for x
    x = 6,342,230,597.76/90,862.14
  6. Step 6: Final answer
    x = 69,800.59

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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.