Home / 110,543.06-152,506.11-68,027.78

Finding the Fourth Proportional to 110,543.06, 152,506.11 and 68,027.78

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Solution

The fourth proportional to 110,543.06, 152,506.11 and 68,027.78 is: 93,851.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,543.06 : 152,506.11 = 68,027.78 : x
  2. Step 2: Convert to fraction form
    110,543.06/152,506.11 = 68,027.78/x
  3. Step 3: Cross multiply
    110,543.06x = 152,506.11 × 68,027.78
  4. Step 4: Simplify right side
    110,543.06x = 10,374,651,337.21
  5. Step 5: Solve for x
    x = 10,374,651,337.21/110,543.06
  6. Step 6: Final answer
    x = 93,851.68

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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.