Home / 73,158.35-100,969.22-42,960.20

Finding the Fourth Proportional to 73,158.35, 100,969.22 and 42,960.20

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Solution

The fourth proportional to 73,158.35, 100,969.22 and 42,960.20 is: 59,291.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,158.35 : 100,969.22 = 42,960.20 : x
  2. Step 2: Convert to fraction form
    73,158.35/100,969.22 = 42,960.20/x
  3. Step 3: Cross multiply
    73,158.35x = 100,969.22 × 42,960.20
  4. Step 4: Simplify right side
    73,158.35x = 4,337,657,487.60
  5. Step 5: Solve for x
    x = 4,337,657,487.60/73,158.35
  6. Step 6: Final answer
    x = 59,291.36

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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.