Home / 105,232.50-145,268.66-67,044.42

Finding the Fourth Proportional to 105,232.50, 145,268.66 and 67,044.42

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Solution

The fourth proportional to 105,232.50, 145,268.66 and 67,044.42 is: 92,551.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,232.50 : 145,268.66 = 67,044.42 : x
  2. Step 2: Convert to fraction form
    105,232.50/145,268.66 = 67,044.42/x
  3. Step 3: Cross multiply
    105,232.50x = 145,268.66 × 67,044.42
  4. Step 4: Simplify right side
    105,232.50x = 9,739,452,718.66
  5. Step 5: Solve for x
    x = 9,739,452,718.66/105,232.50
  6. Step 6: Final answer
    x = 92,551.76

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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.