Home / 88,311.18-121,870.24-48,025.32

Finding the Fourth Proportional to 88,311.18, 121,870.24 and 48,025.32

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Solution

The fourth proportional to 88,311.18, 121,870.24 and 48,025.32 is: 66,275.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,311.18 : 121,870.24 = 48,025.32 : x
  2. Step 2: Convert to fraction form
    88,311.18/121,870.24 = 48,025.32/x
  3. Step 3: Cross multiply
    88,311.18x = 121,870.24 × 48,025.32
  4. Step 4: Simplify right side
    88,311.18x = 5,852,857,274.48
  5. Step 5: Solve for x
    x = 5,852,857,274.48/88,311.18
  6. Step 6: Final answer
    x = 66,275.38

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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.