Home / 70,394.11-97,143.90-38,563.13

Finding the Fourth Proportional to 70,394.11, 97,143.90 and 38,563.13

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Solution

The fourth proportional to 70,394.11, 97,143.90 and 38,563.13 is: 53,217.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,394.11 : 97,143.90 = 38,563.13 : x
  2. Step 2: Convert to fraction form
    70,394.11/97,143.90 = 38,563.13/x
  3. Step 3: Cross multiply
    70,394.11x = 97,143.90 × 38,563.13
  4. Step 4: Simplify right side
    70,394.11x = 3,746,172,844.41
  5. Step 5: Solve for x
    x = 3,746,172,844.41/70,394.11
  6. Step 6: Final answer
    x = 53,217.13

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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.