Home / 59,122.12-81,562.80-38,953.12

Finding the Fourth Proportional to 59,122.12, 81,562.80 and 38,953.12

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Solution

The fourth proportional to 59,122.12, 81,562.80 and 38,953.12 is: 53,738.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,122.12 : 81,562.80 = 38,953.12 : x
  2. Step 2: Convert to fraction form
    59,122.12/81,562.80 = 38,953.12/x
  3. Step 3: Cross multiply
    59,122.12x = 81,562.80 × 38,953.12
  4. Step 4: Simplify right side
    59,122.12x = 3,177,125,535.94
  5. Step 5: Solve for x
    x = 3,177,125,535.94/59,122.12
  6. Step 6: Final answer
    x = 53,738.36

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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.