Home / 88,269.80-121,800.30-52,446.76

Finding the Fourth Proportional to 88,269.80, 121,800.30 and 52,446.76

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Solution

The fourth proportional to 88,269.80, 121,800.30 and 52,446.76 is: 72,369.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,269.80 : 121,800.30 = 52,446.76 : x
  2. Step 2: Convert to fraction form
    88,269.80/121,800.30 = 52,446.76/x
  3. Step 3: Cross multiply
    88,269.80x = 121,800.30 × 52,446.76
  4. Step 4: Simplify right side
    88,269.80x = 6,388,031,102.03
  5. Step 5: Solve for x
    x = 6,388,031,102.03/88,269.80
  6. Step 6: Final answer
    x = 72,369.38

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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.