Home / 77,306.22-115,973.17-39,856.24

Finding the Fourth Proportional to 77,306.22, 115,973.17 and 39,856.24

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Solution

The fourth proportional to 77,306.22, 115,973.17 and 39,856.24 is: 59,791.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,306.22 : 115,973.17 = 39,856.24 : x
  2. Step 2: Convert to fraction form
    77,306.22/115,973.17 = 39,856.24/x
  3. Step 3: Cross multiply
    77,306.22x = 115,973.17 × 39,856.24
  4. Step 4: Simplify right side
    77,306.22x = 4,622,254,497.08
  5. Step 5: Solve for x
    x = 4,622,254,497.08/77,306.22
  6. Step 6: Final answer
    x = 59,791.50

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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.