Home / 48,471.12-66,881.16-28,326.96

Finding the Fourth Proportional to 48,471.12, 66,881.16 and 28,326.96

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Solution

The fourth proportional to 48,471.12, 66,881.16 and 28,326.96 is: 39,085.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,471.12 : 66,881.16 = 28,326.96 : x
  2. Step 2: Convert to fraction form
    48,471.12/66,881.16 = 28,326.96/x
  3. Step 3: Cross multiply
    48,471.12x = 66,881.16 × 28,326.96
  4. Step 4: Simplify right side
    48,471.12x = 1,894,539,944.07
  5. Step 5: Solve for x
    x = 1,894,539,944.07/48,471.12
  6. Step 6: Final answer
    x = 39,085.95

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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.