Home / 83,278.36-124,894.05-29,962.54

Finding the Fourth Proportional to 83,278.36, 124,894.05 and 29,962.54

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Solution

The fourth proportional to 83,278.36, 124,894.05 and 29,962.54 is: 44,935.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,278.36 : 124,894.05 = 29,962.54 : x
  2. Step 2: Convert to fraction form
    83,278.36/124,894.05 = 29,962.54/x
  3. Step 3: Cross multiply
    83,278.36x = 124,894.05 × 29,962.54
  4. Step 4: Simplify right side
    83,278.36x = 3,742,142,968.89
  5. Step 5: Solve for x
    x = 3,742,142,968.89/83,278.36
  6. Step 6: Final answer
    x = 44,935.36

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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.