Home / 88,585.32-122,217.08-56,771.76

Finding the Fourth Proportional to 88,585.32, 122,217.08 and 56,771.76

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Solution

The fourth proportional to 88,585.32, 122,217.08 and 56,771.76 is: 78,325.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,585.32 : 122,217.08 = 56,771.76 : x
  2. Step 2: Convert to fraction form
    88,585.32/122,217.08 = 56,771.76/x
  3. Step 3: Cross multiply
    88,585.32x = 122,217.08 × 56,771.76
  4. Step 4: Simplify right side
    88,585.32x = 6,938,478,449.80
  5. Step 5: Solve for x
    x = 6,938,478,449.80/88,585.32
  6. Step 6: Final answer
    x = 78,325.38

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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.