Home / 101,733.72-140,394.21-56,413.62

Finding the Fourth Proportional to 101,733.72, 140,394.21 and 56,413.62

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Solution

The fourth proportional to 101,733.72, 140,394.21 and 56,413.62 is: 77,851.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,733.72 : 140,394.21 = 56,413.62 : x
  2. Step 2: Convert to fraction form
    101,733.72/140,394.21 = 56,413.62/x
  3. Step 3: Cross multiply
    101,733.72x = 140,394.21 × 56,413.62
  4. Step 4: Simplify right side
    101,733.72x = 7,920,145,613.14
  5. Step 5: Solve for x
    x = 7,920,145,613.14/101,733.72
  6. Step 6: Final answer
    x = 77,851.73

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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.