Home / 115,584.09-159,462.08-85,441.76

Finding the Fourth Proportional to 115,584.09, 159,462.08 and 85,441.76

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Solution

The fourth proportional to 115,584.09, 159,462.08 and 85,441.76 is: 117,877.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,584.09 : 159,462.08 = 85,441.76 : x
  2. Step 2: Convert to fraction form
    115,584.09/159,462.08 = 85,441.76/x
  3. Step 3: Cross multiply
    115,584.09x = 159,462.08 × 85,441.76
  4. Step 4: Simplify right side
    115,584.09x = 13,624,720,462.33
  5. Step 5: Solve for x
    x = 13,624,720,462.33/115,584.09
  6. Step 6: Final answer
    x = 117,877.13

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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.