Home / 92,799.10-128,061.38-54,562.94

Finding the Fourth Proportional to 92,799.10, 128,061.38 and 54,562.94

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Solution

The fourth proportional to 92,799.10, 128,061.38 and 54,562.94 is: 75,296.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,799.10 : 128,061.38 = 54,562.94 : x
  2. Step 2: Convert to fraction form
    92,799.10/128,061.38 = 54,562.94/x
  3. Step 3: Cross multiply
    92,799.10x = 128,061.38 × 54,562.94
  4. Step 4: Simplify right side
    92,799.10x = 6,987,405,393.26
  5. Step 5: Solve for x
    x = 6,987,405,393.26/92,799.10
  6. Step 6: Final answer
    x = 75,296.05

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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.