Home / 59,321.12-81,855.24-34,165.76

Finding the Fourth Proportional to 59,321.12, 81,855.24 and 34,165.76

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Solution

The fourth proportional to 59,321.12, 81,855.24 and 34,165.76 is: 47,144.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,321.12 : 81,855.24 = 34,165.76 : x
  2. Step 2: Convert to fraction form
    59,321.12/81,855.24 = 34,165.76/x
  3. Step 3: Cross multiply
    59,321.12x = 81,855.24 × 34,165.76
  4. Step 4: Simplify right side
    59,321.12x = 2,796,646,484.58
  5. Step 5: Solve for x
    x = 2,796,646,484.58/59,321.12
  6. Step 6: Final answer
    x = 47,144.20

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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.