Home / 98,575.22-135,892.16-70,231.70

Finding the Fourth Proportional to 98,575.22, 135,892.16 and 70,231.70

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Solution

The fourth proportional to 98,575.22, 135,892.16 and 70,231.70 is: 96,818.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,575.22 : 135,892.16 = 70,231.70 : x
  2. Step 2: Convert to fraction form
    98,575.22/135,892.16 = 70,231.70/x
  3. Step 3: Cross multiply
    98,575.22x = 135,892.16 × 70,231.70
  4. Step 4: Simplify right side
    98,575.22x = 9,543,937,413.47
  5. Step 5: Solve for x
    x = 9,543,937,413.47/98,575.22
  6. Step 6: Final answer
    x = 96,818.83

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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.