Home / 129,339.45-193,648.71-66,023.37

Finding the Fourth Proportional to 129,339.45, 193,648.71 and 66,023.37

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Solution

The fourth proportional to 129,339.45, 193,648.71 and 66,023.37 is: 98,851.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,339.45 : 193,648.71 = 66,023.37 : x
  2. Step 2: Convert to fraction form
    129,339.45/193,648.71 = 66,023.37/x
  3. Step 3: Cross multiply
    129,339.45x = 193,648.71 × 66,023.37
  4. Step 4: Simplify right side
    129,339.45x = 12,785,340,430.35
  5. Step 5: Solve for x
    x = 12,785,340,430.35/129,339.45
  6. Step 6: Final answer
    x = 98,851.05

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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.