Home / 68,819.58-94,916.24-56,862.17

Finding the Fourth Proportional to 68,819.58, 94,916.24 and 56,862.17

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Solution

The fourth proportional to 68,819.58, 94,916.24 and 56,862.17 is: 78,424.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,819.58 : 94,916.24 = 56,862.17 : x
  2. Step 2: Convert to fraction form
    68,819.58/94,916.24 = 56,862.17/x
  3. Step 3: Cross multiply
    68,819.58x = 94,916.24 × 56,862.17
  4. Step 4: Simplify right side
    68,819.58x = 5,397,142,615.75
  5. Step 5: Solve for x
    x = 5,397,142,615.75/68,819.58
  6. Step 6: Final answer
    x = 78,424.52

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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.