Home / 52,493.60-72,441.28-31,273.20

Finding the Fourth Proportional to 52,493.60, 72,441.28 and 31,273.20

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Solution

The fourth proportional to 52,493.60, 72,441.28 and 31,273.20 is: 43,157.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,493.60 : 72,441.28 = 31,273.20 : x
  2. Step 2: Convert to fraction form
    52,493.60/72,441.28 = 31,273.20/x
  3. Step 3: Cross multiply
    52,493.60x = 72,441.28 × 31,273.20
  4. Step 4: Simplify right side
    52,493.60x = 2,265,470,637.70
  5. Step 5: Solve for x
    x = 2,265,470,637.70/52,493.60
  6. Step 6: Final answer
    x = 43,157.08

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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.