Home / 66,234.30-91,403.76-36,019.95

Finding the Fourth Proportional to 66,234.30, 91,403.76 and 36,019.95

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Solution

The fourth proportional to 66,234.30, 91,403.76 and 36,019.95 is: 49,707.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,234.30 : 91,403.76 = 36,019.95 : x
  2. Step 2: Convert to fraction form
    66,234.30/91,403.76 = 36,019.95/x
  3. Step 3: Cross multiply
    66,234.30x = 91,403.76 × 36,019.95
  4. Step 4: Simplify right side
    66,234.30x = 3,292,358,657.32
  5. Step 5: Solve for x
    x = 3,292,358,657.32/66,234.30
  6. Step 6: Final answer
    x = 49,707.76

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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.