Home / 90,301.47-124,610.55-50,012.82

Finding the Fourth Proportional to 90,301.47, 124,610.55 and 50,012.82

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Solution

The fourth proportional to 90,301.47, 124,610.55 and 50,012.82 is: 69,014.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,301.47 : 124,610.55 = 50,012.82 : x
  2. Step 2: Convert to fraction form
    90,301.47/124,610.55 = 50,012.82/x
  3. Step 3: Cross multiply
    90,301.47x = 124,610.55 × 50,012.82
  4. Step 4: Simplify right side
    90,301.47x = 6,232,125,007.25
  5. Step 5: Solve for x
    x = 6,232,125,007.25/90,301.47
  6. Step 6: Final answer
    x = 69,014.66

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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.