Home / 77,775.49-116,553.88-44,445.61

Finding the Fourth Proportional to 77,775.49, 116,553.88 and 44,445.61

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Solution

The fourth proportional to 77,775.49, 116,553.88 and 44,445.61 is: 66,605.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,775.49 : 116,553.88 = 44,445.61 : x
  2. Step 2: Convert to fraction form
    77,775.49/116,553.88 = 44,445.61/x
  3. Step 3: Cross multiply
    77,775.49x = 116,553.88 × 44,445.61
  4. Step 4: Simplify right side
    77,775.49x = 5,180,308,294.47
  5. Step 5: Solve for x
    x = 5,180,308,294.47/77,775.49
  6. Step 6: Final answer
    x = 66,605.92

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1.5x scale

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.