Home / 90,332.47-124,589.23-54,485.11

Finding the Fourth Proportional to 90,332.47, 124,589.23 and 54,485.11

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Solution

The fourth proportional to 90,332.47, 124,589.23 and 54,485.11 is: 75,147.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,332.47 : 124,589.23 = 54,485.11 : x
  2. Step 2: Convert to fraction form
    90,332.47/124,589.23 = 54,485.11/x
  3. Step 3: Cross multiply
    90,332.47x = 124,589.23 × 54,485.11
  4. Step 4: Simplify right side
    90,332.47x = 6,788,257,901.37
  5. Step 5: Solve for x
    x = 6,788,257,901.37/90,332.47
  6. Step 6: Final answer
    x = 75,147.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.