Home / 78,426.14-108,219.29-44,427.35

Finding the Fourth Proportional to 78,426.14, 108,219.29 and 44,427.35

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Solution

The fourth proportional to 78,426.14, 108,219.29 and 44,427.35 is: 61,304.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,426.14 : 108,219.29 = 44,427.35 : x
  2. Step 2: Convert to fraction form
    78,426.14/108,219.29 = 44,427.35/x
  3. Step 3: Cross multiply
    78,426.14x = 108,219.29 × 44,427.35
  4. Step 4: Simplify right side
    78,426.14x = 4,807,895,963.16
  5. Step 5: Solve for x
    x = 4,807,895,963.16/78,426.14
  6. Step 6: Final answer
    x = 61,304.76

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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.