Home / 78,841.24-118,292.10-32,133.40

Finding the Fourth Proportional to 78,841.24, 118,292.10 and 32,133.40

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Solution

The fourth proportional to 78,841.24, 118,292.10 and 32,133.40 is: 48,212.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,841.24 : 118,292.10 = 32,133.40 : x
  2. Step 2: Convert to fraction form
    78,841.24/118,292.10 = 32,133.40/x
  3. Step 3: Cross multiply
    78,841.24x = 118,292.10 × 32,133.40
  4. Step 4: Simplify right side
    78,841.24x = 3,801,127,366.14
  5. Step 5: Solve for x
    x = 3,801,127,366.14/78,841.24
  6. Step 6: Final answer
    x = 48,212.42

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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.