Home / 70,019.32-96,625.68-38,188.21

Finding the Fourth Proportional to 70,019.32, 96,625.68 and 38,188.21

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Solution

The fourth proportional to 70,019.32, 96,625.68 and 38,188.21 is: 52,699.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,019.32 : 96,625.68 = 38,188.21 : x
  2. Step 2: Convert to fraction form
    70,019.32/96,625.68 = 38,188.21/x
  3. Step 3: Cross multiply
    70,019.32x = 96,625.68 × 38,188.21
  4. Step 4: Simplify right side
    70,019.32x = 3,689,961,759.23
  5. Step 5: Solve for x
    x = 3,689,961,759.23/70,019.32
  6. Step 6: Final answer
    x = 52,699.19

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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.