Home / 88,742.16-133,119.60-27,947.20

Finding the Fourth Proportional to 88,742.16, 133,119.60 and 27,947.20

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Solution

The fourth proportional to 88,742.16, 133,119.60 and 27,947.20 is: 41,922.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,742.16 : 133,119.60 = 27,947.20 : x
  2. Step 2: Convert to fraction form
    88,742.16/133,119.60 = 27,947.20/x
  3. Step 3: Cross multiply
    88,742.16x = 133,119.60 × 27,947.20
  4. Step 4: Simplify right side
    88,742.16x = 3,720,320,085.12
  5. Step 5: Solve for x
    x = 3,720,320,085.12/88,742.16
  6. Step 6: Final answer
    x = 41,922.80

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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.