Home / 65,960.16-99,073.09-39,358.14

Finding the Fourth Proportional to 65,960.16, 99,073.09 and 39,358.14

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Solution

The fourth proportional to 65,960.16, 99,073.09 and 39,358.14 is: 59,116.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,960.16 : 99,073.09 = 39,358.14 : x
  2. Step 2: Convert to fraction form
    65,960.16/99,073.09 = 39,358.14/x
  3. Step 3: Cross multiply
    65,960.16x = 99,073.09 × 39,358.14
  4. Step 4: Simplify right side
    65,960.16x = 3,899,332,224.13
  5. Step 5: Solve for x
    x = 3,899,332,224.13/65,960.16
  6. Step 6: Final answer
    x = 59,116.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.