Home / 93,521.30-140,627.55-78,314.90

Finding the Fourth Proportional to 93,521.30, 140,627.55 and 78,314.90

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Solution

The fourth proportional to 93,521.30, 140,627.55 and 78,314.90 is: 117,761.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,521.30 : 140,627.55 = 78,314.90 : x
  2. Step 2: Convert to fraction form
    93,521.30/140,627.55 = 78,314.90/x
  3. Step 3: Cross multiply
    93,521.30x = 140,627.55 × 78,314.90
  4. Step 4: Simplify right side
    93,521.30x = 11,013,232,515.50
  5. Step 5: Solve for x
    x = 11,013,232,515.50/93,521.30
  6. Step 6: Final answer
    x = 117,761.76

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1.5x scale

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.