Home / 47,278.50-70,929.90-17,696.76

Finding the Fourth Proportional to 47,278.50, 70,929.90 and 17,696.76

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Solution

The fourth proportional to 47,278.50, 70,929.90 and 17,696.76 is: 26,549.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,278.50 : 70,929.90 = 17,696.76 : x
  2. Step 2: Convert to fraction form
    47,278.50/70,929.90 = 17,696.76/x
  3. Step 3: Cross multiply
    47,278.50x = 70,929.90 × 17,696.76
  4. Step 4: Simplify right side
    47,278.50x = 1,255,229,417.12
  5. Step 5: Solve for x
    x = 1,255,229,417.12/47,278.50
  6. Step 6: Final answer
    x = 26,549.69

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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.