Home / 101,862.10-140,567.52-56,537.44

Finding the Fourth Proportional to 101,862.10, 140,567.52 and 56,537.44

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Solution

The fourth proportional to 101,862.10, 140,567.52 and 56,537.44 is: 78,020.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,862.10 : 140,567.52 = 56,537.44 : x
  2. Step 2: Convert to fraction form
    101,862.10/140,567.52 = 56,537.44/x
  3. Step 3: Cross multiply
    101,862.10x = 140,567.52 × 56,537.44
  4. Step 4: Simplify right side
    101,862.10x = 7,947,327,727.95
  5. Step 5: Solve for x
    x = 7,947,327,727.95/101,862.10
  6. Step 6: Final answer
    x = 78,020.46

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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.