Home / 54,535.80-75,234.13-31,875.74

Finding the Fourth Proportional to 54,535.80, 75,234.13 and 31,875.74

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Solution

The fourth proportional to 54,535.80, 75,234.13 and 31,875.74 is: 43,973.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,535.80 : 75,234.13 = 31,875.74 : x
  2. Step 2: Convert to fraction form
    54,535.80/75,234.13 = 31,875.74/x
  3. Step 3: Cross multiply
    54,535.80x = 75,234.13 × 31,875.74
  4. Step 4: Simplify right side
    54,535.80x = 2,398,143,995.77
  5. Step 5: Solve for x
    x = 2,398,143,995.77/54,535.80
  6. Step 6: Final answer
    x = 43,973.76

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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.