Home / 88,311.30-121,826.73-52,475.93

Finding the Fourth Proportional to 88,311.30, 121,826.73 and 52,475.93

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Solution

The fourth proportional to 88,311.30, 121,826.73 and 52,475.93 is: 72,391.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,311.30 : 121,826.73 = 52,475.93 : x
  2. Step 2: Convert to fraction form
    88,311.30/121,826.73 = 52,475.93/x
  3. Step 3: Cross multiply
    88,311.30x = 121,826.73 × 52,475.93
  4. Step 4: Simplify right side
    88,311.30x = 6,392,971,000.11
  5. Step 5: Solve for x
    x = 6,392,971,000.11/88,311.30
  6. Step 6: Final answer
    x = 72,391.32

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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.