Home / 78,032.10-107,684.66-44,042.01

Finding the Fourth Proportional to 78,032.10, 107,684.66 and 44,042.01

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Solution

The fourth proportional to 78,032.10, 107,684.66 and 44,042.01 is: 60,778.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,032.10 : 107,684.66 = 44,042.01 : x
  2. Step 2: Convert to fraction form
    78,032.10/107,684.66 = 44,042.01/x
  3. Step 3: Cross multiply
    78,032.10x = 107,684.66 × 44,042.01
  4. Step 4: Simplify right side
    78,032.10x = 4,742,648,872.57
  5. Step 5: Solve for x
    x = 4,742,648,872.57/78,032.10
  6. Step 6: Final answer
    x = 60,778.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.