Home / 88,684.08-122,385.78-69,586.74

Finding the Fourth Proportional to 88,684.08, 122,385.78 and 69,586.74

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Solution

The fourth proportional to 88,684.08, 122,385.78 and 69,586.74 is: 96,031.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,684.08 : 122,385.78 = 69,586.74 : x
  2. Step 2: Convert to fraction form
    88,684.08/122,385.78 = 69,586.74/x
  3. Step 3: Cross multiply
    88,684.08x = 122,385.78 × 69,586.74
  4. Step 4: Simplify right side
    88,684.08x = 8,516,427,452.56
  5. Step 5: Solve for x
    x = 8,516,427,452.56/88,684.08
  6. Step 6: Final answer
    x = 96,031.07

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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.