Home / 88,311.32-121,870.44-48,025.46

Finding the Fourth Proportional to 88,311.32, 121,870.44 and 48,025.46

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Solution

The fourth proportional to 88,311.32, 121,870.44 and 48,025.46 is: 66,275.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,311.32 : 121,870.44 = 48,025.46 : x
  2. Step 2: Convert to fraction form
    88,311.32/121,870.44 = 48,025.46/x
  3. Step 3: Cross multiply
    88,311.32x = 121,870.44 × 48,025.46
  4. Step 4: Simplify right side
    88,311.32x = 5,852,883,941.40
  5. Step 5: Solve for x
    x = 5,852,883,941.40/88,311.32
  6. Step 6: Final answer
    x = 66,275.58

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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.