Home / 88,311.34-121,870.22-48,025.54

Finding the Fourth Proportional to 88,311.34, 121,870.22 and 48,025.54

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Solution

The fourth proportional to 88,311.34, 121,870.22 and 48,025.54 is: 66,275.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,311.34 : 121,870.22 = 48,025.54 : x
  2. Step 2: Convert to fraction form
    88,311.34/121,870.22 = 48,025.54/x
  3. Step 3: Cross multiply
    88,311.34x = 121,870.22 × 48,025.54
  4. Step 4: Simplify right side
    88,311.34x = 5,852,883,125.42
  5. Step 5: Solve for x
    x = 5,852,883,125.42/88,311.34
  6. Step 6: Final answer
    x = 66,275.56

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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.