Home / 88,337.35-121,905.30-49,575.21

Finding the Fourth Proportional to 88,337.35, 121,905.30 and 49,575.21

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Solution

The fourth proportional to 88,337.35, 121,905.30 and 49,575.21 is: 68,413.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,337.35 : 121,905.30 = 49,575.21 : x
  2. Step 2: Convert to fraction form
    88,337.35/121,905.30 = 49,575.21/x
  3. Step 3: Cross multiply
    88,337.35x = 121,905.30 × 49,575.21
  4. Step 4: Simplify right side
    88,337.35x = 6,043,480,847.61
  5. Step 5: Solve for x
    x = 6,043,480,847.61/88,337.35
  6. Step 6: Final answer
    x = 68,413.65

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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.