Home / 54,946.93-75,821.65-31,073.53

Finding the Fourth Proportional to 54,946.93, 75,821.65 and 31,073.53

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Solution

The fourth proportional to 54,946.93, 75,821.65 and 31,073.53 is: 42,878.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,946.93 : 75,821.65 = 31,073.53 : x
  2. Step 2: Convert to fraction form
    54,946.93/75,821.65 = 31,073.53/x
  3. Step 3: Cross multiply
    54,946.93x = 75,821.65 × 31,073.53
  4. Step 4: Simplify right side
    54,946.93x = 2,356,046,315.92
  5. Step 5: Solve for x
    x = 2,356,046,315.92/54,946.93
  6. Step 6: Final answer
    x = 42,878.58

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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.