Home / 90,933.03-125,491.07-52,693.88

Finding the Fourth Proportional to 90,933.03, 125,491.07 and 52,693.88

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Solution

The fourth proportional to 90,933.03, 125,491.07 and 52,693.88 is: 72,719.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,933.03 : 125,491.07 = 52,693.88 : x
  2. Step 2: Convert to fraction form
    90,933.03/125,491.07 = 52,693.88/x
  3. Step 3: Cross multiply
    90,933.03x = 125,491.07 × 52,693.88
  4. Step 4: Simplify right side
    90,933.03x = 6,612,610,887.93
  5. Step 5: Solve for x
    x = 6,612,610,887.93/90,933.03
  6. Step 6: Final answer
    x = 72,719.57

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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.