Home / 82,030.12-123,055.44-32,103.76

Finding the Fourth Proportional to 82,030.12, 123,055.44 and 32,103.76

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Solution

The fourth proportional to 82,030.12, 123,055.44 and 32,103.76 is: 48,159.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,030.12 : 123,055.44 = 32,103.76 : x
  2. Step 2: Convert to fraction form
    82,030.12/123,055.44 = 32,103.76/x
  3. Step 3: Cross multiply
    82,030.12x = 123,055.44 × 32,103.76
  4. Step 4: Simplify right side
    82,030.12x = 3,950,542,312.45
  5. Step 5: Solve for x
    x = 3,950,542,312.45/82,030.12
  6. Step 6: Final answer
    x = 48,159.66

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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.