Home / 70,378.22-97,119.33-38,547.38

Finding the Fourth Proportional to 70,378.22, 97,119.33 and 38,547.38

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Solution

The fourth proportional to 70,378.22, 97,119.33 and 38,547.38 is: 53,193.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,378.22 : 97,119.33 = 38,547.38 : x
  2. Step 2: Convert to fraction form
    70,378.22/97,119.33 = 38,547.38/x
  3. Step 3: Cross multiply
    70,378.22x = 97,119.33 × 38,547.38
  4. Step 4: Simplify right side
    70,378.22x = 3,743,695,718.86
  5. Step 5: Solve for x
    x = 3,743,695,718.86/70,378.22
  6. Step 6: Final answer
    x = 53,193.95

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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.