Home / 85,372.16-128,058.24-32,752.92

Finding the Fourth Proportional to 85,372.16, 128,058.24 and 32,752.92

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Solution

The fourth proportional to 85,372.16, 128,058.24 and 32,752.92 is: 49,129.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,372.16 : 128,058.24 = 32,752.92 : x
  2. Step 2: Convert to fraction form
    85,372.16/128,058.24 = 32,752.92/x
  3. Step 3: Cross multiply
    85,372.16x = 128,058.24 × 32,752.92
  4. Step 4: Simplify right side
    85,372.16x = 4,194,281,290.06
  5. Step 5: Solve for x
    x = 4,194,281,290.06/85,372.16
  6. Step 6: Final answer
    x = 49,129.38

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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.