Home / 90,841.47-125,364.02-50,557.47

Finding the Fourth Proportional to 90,841.47, 125,364.02 and 50,557.47

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Solution

The fourth proportional to 90,841.47, 125,364.02 and 50,557.47 is: 69,770.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,841.47 : 125,364.02 = 50,557.47 : x
  2. Step 2: Convert to fraction form
    90,841.47/125,364.02 = 50,557.47/x
  3. Step 3: Cross multiply
    90,841.47x = 125,364.02 × 50,557.47
  4. Step 4: Simplify right side
    90,841.47x = 6,338,087,427.44
  5. Step 5: Solve for x
    x = 6,338,087,427.44/90,841.47
  6. Step 6: Final answer
    x = 69,770.86

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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.