Home / 101,733.75-140,394.27-56,413.65

Finding the Fourth Proportional to 101,733.75, 140,394.27 and 56,413.65

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Solution

The fourth proportional to 101,733.75, 140,394.27 and 56,413.65 is: 77,851.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,733.75 : 140,394.27 = 56,413.65 : x
  2. Step 2: Convert to fraction form
    101,733.75/140,394.27 = 56,413.65/x
  3. Step 3: Cross multiply
    101,733.75x = 140,394.27 × 56,413.65
  4. Step 4: Simplify right side
    101,733.75x = 7,920,153,209.79
  5. Step 5: Solve for x
    x = 7,920,153,209.79/101,733.75
  6. Step 6: Final answer
    x = 77,851.78

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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.