Home / 88,120.11-121,602.46-47,833.01

Finding the Fourth Proportional to 88,120.11, 121,602.46 and 47,833.01

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Solution

The fourth proportional to 88,120.11, 121,602.46 and 47,833.01 is: 66,007.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,120.11 : 121,602.46 = 47,833.01 : x
  2. Step 2: Convert to fraction form
    88,120.11/121,602.46 = 47,833.01/x
  3. Step 3: Cross multiply
    88,120.11x = 121,602.46 × 47,833.01
  4. Step 4: Simplify right side
    88,120.11x = 5,816,611,685.20
  5. Step 5: Solve for x
    x = 5,816,611,685.20/88,120.11
  6. Step 6: Final answer
    x = 66,007.77

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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.