Home / 90,120.24-124,373.52-52,392

Finding the Fourth Proportional to 90,120.24, 124,373.52 and 52,392

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Solution

The fourth proportional to 90,120.24, 124,373.52 and 52,392 is: 72,305.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,120.24 : 124,373.52 = 52,392 : x
  2. Step 2: Convert to fraction form
    90,120.24/124,373.52 = 52,392/x
  3. Step 3: Cross multiply
    90,120.24x = 124,373.52 × 52,392
  4. Step 4: Simplify right side
    90,120.24x = 6,516,177,459.84
  5. Step 5: Solve for x
    x = 6,516,177,459.84/90,120.24
  6. Step 6: Final answer
    x = 72,305.37

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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.