Home / 58,780.53-81,117.11-31,923.05

Finding the Fourth Proportional to 58,780.53, 81,117.11 and 31,923.05

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Solution

The fourth proportional to 58,780.53, 81,117.11 and 31,923.05 is: 44,053.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,780.53 : 81,117.11 = 31,923.05 : x
  2. Step 2: Convert to fraction form
    58,780.53/81,117.11 = 31,923.05/x
  3. Step 3: Cross multiply
    58,780.53x = 81,117.11 × 31,923.05
  4. Step 4: Simplify right side
    58,780.53x = 2,589,505,232.61
  5. Step 5: Solve for x
    x = 2,589,505,232.61/58,780.53
  6. Step 6: Final answer
    x = 44,053.79

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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.