Home / 52,873.16-72,961.56-28,994.76

Finding the Fourth Proportional to 52,873.16, 72,961.56 and 28,994.76

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Solution

The fourth proportional to 52,873.16, 72,961.56 and 28,994.76 is: 40,010.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,873.16 : 72,961.56 = 28,994.76 : x
  2. Step 2: Convert to fraction form
    52,873.16/72,961.56 = 28,994.76/x
  3. Step 3: Cross multiply
    52,873.16x = 72,961.56 × 28,994.76
  4. Step 4: Simplify right side
    52,873.16x = 2,115,502,921.43
  5. Step 5: Solve for x
    x = 2,115,502,921.43/52,873.16
  6. Step 6: Final answer
    x = 40,010.91

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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.