Home / 83,058.40-124,587.60-49,880.80

Finding the Fourth Proportional to 83,058.40, 124,587.60 and 49,880.80

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Solution

The fourth proportional to 83,058.40, 124,587.60 and 49,880.80 is: 74,821.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,058.40 : 124,587.60 = 49,880.80 : x
  2. Step 2: Convert to fraction form
    83,058.40/124,587.60 = 49,880.80/x
  3. Step 3: Cross multiply
    83,058.40x = 124,587.60 × 49,880.80
  4. Step 4: Simplify right side
    83,058.40x = 6,214,529,158.08
  5. Step 5: Solve for x
    x = 6,214,529,158.08/83,058.40
  6. Step 6: Final answer
    x = 74,821.20

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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.