Home / 90,889.26-125,401.95-58,610.22

Finding the Fourth Proportional to 90,889.26, 125,401.95 and 58,610.22

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Solution

The fourth proportional to 90,889.26, 125,401.95 and 58,610.22 is: 80,865.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,889.26 : 125,401.95 = 58,610.22 : x
  2. Step 2: Convert to fraction form
    90,889.26/125,401.95 = 58,610.22/x
  3. Step 3: Cross multiply
    90,889.26x = 125,401.95 × 58,610.22
  4. Step 4: Simplify right side
    90,889.26x = 7,349,835,877.93
  5. Step 5: Solve for x
    x = 7,349,835,877.93/90,889.26
  6. Step 6: Final answer
    x = 80,865.83

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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.