Home / 54,463.74-75,157.47-31,803.90

Finding the Fourth Proportional to 54,463.74, 75,157.47 and 31,803.90

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Solution

The fourth proportional to 54,463.74, 75,157.47 and 31,803.90 is: 43,887.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,463.74 : 75,157.47 = 31,803.90 : x
  2. Step 2: Convert to fraction form
    54,463.74/75,157.47 = 31,803.90/x
  3. Step 3: Cross multiply
    54,463.74x = 75,157.47 × 31,803.90
  4. Step 4: Simplify right side
    54,463.74x = 2,390,300,660.13
  5. Step 5: Solve for x
    x = 2,390,300,660.13/54,463.74
  6. Step 6: Final answer
    x = 43,887.93

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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.