Home / 52,881.19-72,975.36-30,219.92

Finding the Fourth Proportional to 52,881.19, 72,975.36 and 30,219.92

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Solution

The fourth proportional to 52,881.19, 72,975.36 and 30,219.92 is: 41,703.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,881.19 : 72,975.36 = 30,219.92 : x
  2. Step 2: Convert to fraction form
    52,881.19/72,975.36 = 30,219.92/x
  3. Step 3: Cross multiply
    52,881.19x = 72,975.36 × 30,219.92
  4. Step 4: Simplify right side
    52,881.19x = 2,205,309,586.78
  5. Step 5: Solve for x
    x = 2,205,309,586.78/52,881.19
  6. Step 6: Final answer
    x = 41,703.10

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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.