Home / 88,311.05-121,870.07-48,025.20

Finding the Fourth Proportional to 88,311.05, 121,870.07 and 48,025.20

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Solution

The fourth proportional to 88,311.05, 121,870.07 and 48,025.20 is: 66,275.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,311.05 : 121,870.07 = 48,025.20 : x
  2. Step 2: Convert to fraction form
    88,311.05/121,870.07 = 48,025.20/x
  3. Step 3: Cross multiply
    88,311.05x = 121,870.07 × 48,025.20
  4. Step 4: Simplify right side
    88,311.05x = 5,852,834,485.76
  5. Step 5: Solve for x
    x = 5,852,834,485.76/88,311.05
  6. Step 6: Final answer
    x = 66,275.22

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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.