Home / 70,378.20-97,123.32-38,547.11

Finding the Fourth Proportional to 70,378.20, 97,123.32 and 38,547.11

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Solution

The fourth proportional to 70,378.20, 97,123.32 and 38,547.11 is: 53,195.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,378.20 : 97,123.32 = 38,547.11 : x
  2. Step 2: Convert to fraction form
    70,378.20/97,123.32 = 38,547.11/x
  3. Step 3: Cross multiply
    70,378.20x = 97,123.32 × 38,547.11
  4. Step 4: Simplify right side
    70,378.20x = 3,743,823,542.41
  5. Step 5: Solve for x
    x = 3,743,823,542.41/70,378.20
  6. Step 6: Final answer
    x = 53,195.78

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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.