Home / 90,868.98-125,402.88-50,580.19

Finding the Fourth Proportional to 90,868.98, 125,402.88 and 50,580.19

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Solution

The fourth proportional to 90,868.98, 125,402.88 and 50,580.19 is: 69,802.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,868.98 : 125,402.88 = 50,580.19 : x
  2. Step 2: Convert to fraction form
    90,868.98/125,402.88 = 50,580.19/x
  3. Step 3: Cross multiply
    90,868.98x = 125,402.88 × 50,580.19
  4. Step 4: Simplify right side
    90,868.98x = 6,342,901,496.95
  5. Step 5: Solve for x
    x = 6,342,901,496.95/90,868.98
  6. Step 6: Final answer
    x = 69,802.71

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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.