Home / 98,843.28-136,413.50-56,408.19

Finding the Fourth Proportional to 98,843.28, 136,413.50 and 56,408.19

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Solution

The fourth proportional to 98,843.28, 136,413.50 and 56,408.19 is: 77,848.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,843.28 : 136,413.50 = 56,408.19 : x
  2. Step 2: Convert to fraction form
    98,843.28/136,413.50 = 56,408.19/x
  3. Step 3: Cross multiply
    98,843.28x = 136,413.50 × 56,408.19
  4. Step 4: Simplify right side
    98,843.28x = 7,694,838,344.52
  5. Step 5: Solve for x
    x = 7,694,838,344.52/98,843.28
  6. Step 6: Final answer
    x = 77,848.88

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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.