Home / 52,873.94-72,938.40-31,351.16

Finding the Fourth Proportional to 52,873.94, 72,938.40 and 31,351.16

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Solution

The fourth proportional to 52,873.94, 72,938.40 and 31,351.16 is: 43,248.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,873.94 : 72,938.40 = 31,351.16 : x
  2. Step 2: Convert to fraction form
    52,873.94/72,938.40 = 31,351.16/x
  3. Step 3: Cross multiply
    52,873.94x = 72,938.40 × 31,351.16
  4. Step 4: Simplify right side
    52,873.94x = 2,286,703,448.54
  5. Step 5: Solve for x
    x = 2,286,703,448.54/52,873.94
  6. Step 6: Final answer
    x = 43,248.21

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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.