Home / 79,775.32-119,677.21-26,470.50

Finding the Fourth Proportional to 79,775.32, 119,677.21 and 26,470.50

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Solution

The fourth proportional to 79,775.32, 119,677.21 and 26,470.50 is: 39,710.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,775.32 : 119,677.21 = 26,470.50 : x
  2. Step 2: Convert to fraction form
    79,775.32/119,677.21 = 26,470.50/x
  3. Step 3: Cross multiply
    79,775.32x = 119,677.21 × 26,470.50
  4. Step 4: Simplify right side
    79,775.32x = 3,167,915,587.31
  5. Step 5: Solve for x
    x = 3,167,915,587.31/79,775.32
  6. Step 6: Final answer
    x = 39,710.47

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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.