Home / 70,402.11-97,155.05-38,570.91

Finding the Fourth Proportional to 70,402.11, 97,155.05 and 38,570.91

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Solution

The fourth proportional to 70,402.11, 97,155.05 and 38,570.91 is: 53,227.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,402.11 : 97,155.05 = 38,570.91 : x
  2. Step 2: Convert to fraction form
    70,402.11/97,155.05 = 38,570.91/x
  3. Step 3: Cross multiply
    70,402.11x = 97,155.05 × 38,570.91
  4. Step 4: Simplify right side
    70,402.11x = 3,747,358,496.74
  5. Step 5: Solve for x
    x = 3,747,358,496.74/70,402.11
  6. Step 6: Final answer
    x = 53,227.93

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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.