Home / 101,895.56-140,608.80-56,569.92

Finding the Fourth Proportional to 101,895.56, 140,608.80 and 56,569.92

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Solution

The fourth proportional to 101,895.56, 140,608.80 and 56,569.92 is: 78,062.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,895.56 : 140,608.80 = 56,569.92 : x
  2. Step 2: Convert to fraction form
    101,895.56/140,608.80 = 56,569.92/x
  3. Step 3: Cross multiply
    101,895.56x = 140,608.80 × 56,569.92
  4. Step 4: Simplify right side
    101,895.56x = 7,954,228,567.30
  5. Step 5: Solve for x
    x = 7,954,228,567.30/101,895.56
  6. Step 6: Final answer
    x = 78,062.56

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1.5x scale

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.