Home / 63,106.17-87,058.87-40,123.68

Finding the Fourth Proportional to 63,106.17, 87,058.87 and 40,123.68

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Solution

The fourth proportional to 63,106.17, 87,058.87 and 40,123.68 is: 55,353.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,106.17 : 87,058.87 = 40,123.68 : x
  2. Step 2: Convert to fraction form
    63,106.17/87,058.87 = 40,123.68/x
  3. Step 3: Cross multiply
    63,106.17x = 87,058.87 × 40,123.68
  4. Step 4: Simplify right side
    63,106.17x = 3,493,122,241.04
  5. Step 5: Solve for x
    x = 3,493,122,241.04/63,106.17
  6. Step 6: Final answer
    x = 55,353.10

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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.