Home / 90,893.55-125,350.16-57,301.23

Finding the Fourth Proportional to 90,893.55, 125,350.16 and 57,301.23

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Solution

The fourth proportional to 90,893.55, 125,350.16 and 57,301.23 is: 79,023.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,893.55 : 125,350.16 = 57,301.23 : x
  2. Step 2: Convert to fraction form
    90,893.55/125,350.16 = 57,301.23/x
  3. Step 3: Cross multiply
    90,893.55x = 125,350.16 × 57,301.23
  4. Step 4: Simplify right side
    90,893.55x = 7,182,718,062.19
  5. Step 5: Solve for x
    x = 7,182,718,062.19/90,893.55
  6. Step 6: Final answer
    x = 79,023.41

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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.