Home / 83,680.24-115,479.48-45,954.76

Finding the Fourth Proportional to 83,680.24, 115,479.48 and 45,954.76

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Solution

The fourth proportional to 83,680.24, 115,479.48 and 45,954.76 is: 63,417.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,680.24 : 115,479.48 = 45,954.76 : x
  2. Step 2: Convert to fraction form
    83,680.24/115,479.48 = 45,954.76/x
  3. Step 3: Cross multiply
    83,680.24x = 115,479.48 × 45,954.76
  4. Step 4: Simplify right side
    83,680.24x = 5,306,831,788.32
  5. Step 5: Solve for x
    x = 5,306,831,788.32/83,680.24
  6. Step 6: Final answer
    x = 63,417.98

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1.5x scale

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.