Home / 90,420.92-124,774.76-52,182.06

Finding the Fourth Proportional to 90,420.92, 124,774.76 and 52,182.06

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Solution

The fourth proportional to 90,420.92, 124,774.76 and 52,182.06 is: 72,007.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,420.92 : 124,774.76 = 52,182.06 : x
  2. Step 2: Convert to fraction form
    90,420.92/124,774.76 = 52,182.06/x
  3. Step 3: Cross multiply
    90,420.92x = 124,774.76 × 52,182.06
  4. Step 4: Simplify right side
    90,420.92x = 6,511,004,012.81
  5. Step 5: Solve for x
    x = 6,511,004,012.81/90,420.92
  6. Step 6: Final answer
    x = 72,007.72

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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.