Home / 83,041.76-124,557.52-26,880.64

Finding the Fourth Proportional to 83,041.76, 124,557.52 and 26,880.64

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Solution

The fourth proportional to 83,041.76, 124,557.52 and 26,880.64 is: 40,319.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,041.76 : 124,557.52 = 26,880.64 : x
  2. Step 2: Convert to fraction form
    83,041.76/124,557.52 = 26,880.64/x
  3. Step 3: Cross multiply
    83,041.76x = 124,557.52 × 26,880.64
  4. Step 4: Simplify right side
    83,041.76x = 3,348,185,854.41
  5. Step 5: Solve for x
    x = 3,348,185,854.41/83,041.76
  6. Step 6: Final answer
    x = 40,319.30

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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.