Home / 52,202.96-72,039.30-30,695.13

Finding the Fourth Proportional to 52,202.96, 72,039.30 and 30,695.13

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Solution

The fourth proportional to 52,202.96, 72,039.30 and 30,695.13 is: 42,358.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,202.96 : 72,039.30 = 30,695.13 : x
  2. Step 2: Convert to fraction form
    52,202.96/72,039.30 = 30,695.13/x
  3. Step 3: Cross multiply
    52,202.96x = 72,039.30 × 30,695.13
  4. Step 4: Simplify right side
    52,202.96x = 2,211,255,678.61
  5. Step 5: Solve for x
    x = 2,211,255,678.61/52,202.96
  6. Step 6: Final answer
    x = 42,358.82

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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.