Home / 70,172.08-96,837.32-38,341.20

Finding the Fourth Proportional to 70,172.08, 96,837.32 and 38,341.20

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Solution

The fourth proportional to 70,172.08, 96,837.32 and 38,341.20 is: 52,910.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,172.08 : 96,837.32 = 38,341.20 : x
  2. Step 2: Convert to fraction form
    70,172.08/96,837.32 = 38,341.20/x
  3. Step 3: Cross multiply
    70,172.08x = 96,837.32 × 38,341.20
  4. Step 4: Simplify right side
    70,172.08x = 3,712,859,512.58
  5. Step 5: Solve for x
    x = 3,712,859,512.58/70,172.08
  6. Step 6: Final answer
    x = 52,910.78

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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.