Home / 90,719.24-125,196.71-50,437.13

Finding the Fourth Proportional to 90,719.24, 125,196.71 and 50,437.13

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Solution

The fourth proportional to 90,719.24, 125,196.71 and 50,437.13 is: 69,605.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,719.24 : 125,196.71 = 50,437.13 : x
  2. Step 2: Convert to fraction form
    90,719.24/125,196.71 = 50,437.13/x
  3. Step 3: Cross multiply
    90,719.24x = 125,196.71 × 50,437.13
  4. Step 4: Simplify right side
    90,719.24x = 6,314,561,859.67
  5. Step 5: Solve for x
    x = 6,314,561,859.67/90,719.24
  6. Step 6: Final answer
    x = 69,605.55

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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.