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Finding the Fourth Proportional to 88,876.87, 122,649.78 and 48,590.67

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Solution

The fourth proportional to 88,876.87, 122,649.78 and 48,590.67 is: 67,054.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,876.87 : 122,649.78 = 48,590.67 : x
  2. Step 2: Convert to fraction form
    88,876.87/122,649.78 = 48,590.67/x
  3. Step 3: Cross multiply
    88,876.87x = 122,649.78 × 48,590.67
  4. Step 4: Simplify right side
    88,876.87x = 5,959,634,985.55
  5. Step 5: Solve for x
    x = 5,959,634,985.55/88,876.87
  6. Step 6: Final answer
    x = 67,054.96

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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.