Home / 88,400.18-121,994.85-48,116.55

Finding the Fourth Proportional to 88,400.18, 121,994.85 and 48,116.55

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Solution

The fourth proportional to 88,400.18, 121,994.85 and 48,116.55 is: 66,402.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,400.18 : 121,994.85 = 48,116.55 : x
  2. Step 2: Convert to fraction form
    88,400.18/121,994.85 = 48,116.55/x
  3. Step 3: Cross multiply
    88,400.18x = 121,994.85 × 48,116.55
  4. Step 4: Simplify right side
    88,400.18x = 5,869,971,299.77
  5. Step 5: Solve for x
    x = 5,869,971,299.77/88,400.18
  6. Step 6: Final answer
    x = 66,402.26

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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.