Home / 70,718.16-97,591.62-38,452.80

Finding the Fourth Proportional to 70,718.16, 97,591.62 and 38,452.80

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Solution

The fourth proportional to 70,718.16, 97,591.62 and 38,452.80 is: 53,065.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,718.16 : 97,591.62 = 38,452.80 : x
  2. Step 2: Convert to fraction form
    70,718.16/97,591.62 = 38,452.80/x
  3. Step 3: Cross multiply
    70,718.16x = 97,591.62 × 38,452.80
  4. Step 4: Simplify right side
    70,718.16x = 3,752,671,045.54
  5. Step 5: Solve for x
    x = 3,752,671,045.54/70,718.16
  6. Step 6: Final answer
    x = 53,065.17

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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.