Home / 52,310.40-72,180-34,412.64

Finding the Fourth Proportional to 52,310.40, 72,180 and 34,412.64

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Solution

The fourth proportional to 52,310.40, 72,180 and 34,412.64 is: 47,483.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,310.40 : 72,180 = 34,412.64 : x
  2. Step 2: Convert to fraction form
    52,310.40/72,180 = 34,412.64/x
  3. Step 3: Cross multiply
    52,310.40x = 72,180 × 34,412.64
  4. Step 4: Simplify right side
    52,310.40x = 2,483,904,355.20
  5. Step 5: Solve for x
    x = 2,483,904,355.20/52,310.40
  6. Step 6: Final answer
    x = 47,483.95

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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.