Home / 70,113.40-96,752.88-38,276.15

Finding the Fourth Proportional to 70,113.40, 96,752.88 and 38,276.15

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Solution

The fourth proportional to 70,113.40, 96,752.88 and 38,276.15 is: 52,819.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,113.40 : 96,752.88 = 38,276.15 : x
  2. Step 2: Convert to fraction form
    70,113.40/96,752.88 = 38,276.15/x
  3. Step 3: Cross multiply
    70,113.40x = 96,752.88 × 38,276.15
  4. Step 4: Simplify right side
    70,113.40x = 3,703,327,264.05
  5. Step 5: Solve for x
    x = 3,703,327,264.05/70,113.40
  6. Step 6: Final answer
    x = 52,819.11

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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.