Home / 100,672.18-151,124.93-54,016.18

Finding the Fourth Proportional to 100,672.18, 151,124.93 and 54,016.18

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Solution

The fourth proportional to 100,672.18, 151,124.93 and 54,016.18 is: 81,086.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,672.18 : 151,124.93 = 54,016.18 : x
  2. Step 2: Convert to fraction form
    100,672.18/151,124.93 = 54,016.18/x
  3. Step 3: Cross multiply
    100,672.18x = 151,124.93 × 54,016.18
  4. Step 4: Simplify right side
    100,672.18x = 8,163,191,151.29
  5. Step 5: Solve for x
    x = 8,163,191,151.29/100,672.18
  6. Step 6: Final answer
    x = 81,086.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.