Home / 75,320.83-104,080.28-54,867.29

Finding the Fourth Proportional to 75,320.83, 104,080.28 and 54,867.29

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Solution

The fourth proportional to 75,320.83, 104,080.28 and 54,867.29 is: 75,817.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,320.83 : 104,080.28 = 54,867.29 : x
  2. Step 2: Convert to fraction form
    75,320.83/104,080.28 = 54,867.29/x
  3. Step 3: Cross multiply
    75,320.83x = 104,080.28 × 54,867.29
  4. Step 4: Simplify right side
    75,320.83x = 5,710,602,631.70
  5. Step 5: Solve for x
    x = 5,710,602,631.70/75,320.83
  6. Step 6: Final answer
    x = 75,817.05

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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.