Home / 73,645.04-101,631.28-40,111.04

Finding the Fourth Proportional to 73,645.04, 101,631.28 and 40,111.04

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Solution

The fourth proportional to 73,645.04, 101,631.28 and 40,111.04 is: 55,353.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,645.04 : 101,631.28 = 40,111.04 : x
  2. Step 2: Convert to fraction form
    73,645.04/101,631.28 = 40,111.04/x
  3. Step 3: Cross multiply
    73,645.04x = 101,631.28 × 40,111.04
  4. Step 4: Simplify right side
    73,645.04x = 4,076,536,337.33
  5. Step 5: Solve for x
    x = 4,076,536,337.33/73,645.04
  6. Step 6: Final answer
    x = 55,353.85

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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.