Home / 77,818.61-116,540.79-44,437.50

Finding the Fourth Proportional to 77,818.61, 116,540.79 and 44,437.50

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Solution

The fourth proportional to 77,818.61, 116,540.79 and 44,437.50 is: 66,549.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,818.61 : 116,540.79 = 44,437.50 : x
  2. Step 2: Convert to fraction form
    77,818.61/116,540.79 = 44,437.50/x
  3. Step 3: Cross multiply
    77,818.61x = 116,540.79 × 44,437.50
  4. Step 4: Simplify right side
    77,818.61x = 5,178,781,355.63
  5. Step 5: Solve for x
    x = 5,178,781,355.63/77,818.61
  6. Step 6: Final answer
    x = 66,549.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.