Home / 101,766.15-140,552.24-69,445.40

Finding the Fourth Proportional to 101,766.15, 140,552.24 and 69,445.40

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Solution

The fourth proportional to 101,766.15, 140,552.24 and 69,445.40 is: 95,913.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,766.15 : 140,552.24 = 69,445.40 : x
  2. Step 2: Convert to fraction form
    101,766.15/140,552.24 = 69,445.40/x
  3. Step 3: Cross multiply
    101,766.15x = 140,552.24 × 69,445.40
  4. Step 4: Simplify right side
    101,766.15x = 9,760,705,477.71
  5. Step 5: Solve for x
    x = 9,760,705,477.71/101,766.15
  6. Step 6: Final answer
    x = 95,913.09

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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.