Home / 90,363.24-124,697.92-52,124.40

Finding the Fourth Proportional to 90,363.24, 124,697.92 and 52,124.40

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Solution

The fourth proportional to 90,363.24, 124,697.92 and 52,124.40 is: 71,929.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,363.24 : 124,697.92 = 52,124.40 : x
  2. Step 2: Convert to fraction form
    90,363.24/124,697.92 = 52,124.40/x
  3. Step 3: Cross multiply
    90,363.24x = 124,697.92 × 52,124.40
  4. Step 4: Simplify right side
    90,363.24x = 6,499,804,261.25
  5. Step 5: Solve for x
    x = 6,499,804,261.25/90,363.24
  6. Step 6: Final answer
    x = 71,929.74

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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.