Home / 96,515.40-144,465.90-68,867.40

Finding the Fourth Proportional to 96,515.40, 144,465.90 and 68,867.40

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Solution

The fourth proportional to 96,515.40, 144,465.90 and 68,867.40 is: 103,081.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,515.40 : 144,465.90 = 68,867.40 : x
  2. Step 2: Convert to fraction form
    96,515.40/144,465.90 = 68,867.40/x
  3. Step 3: Cross multiply
    96,515.40x = 144,465.90 × 68,867.40
  4. Step 4: Simplify right side
    96,515.40x = 9,948,990,921.66
  5. Step 5: Solve for x
    x = 9,948,990,921.66/96,515.40
  6. Step 6: Final answer
    x = 103,081.90

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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.