Home / 54,323.19-74,962.21-30,125.38

Finding the Fourth Proportional to 54,323.19, 74,962.21 and 30,125.38

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Solution

The fourth proportional to 54,323.19, 74,962.21 and 30,125.38 is: 41,570.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,323.19 : 74,962.21 = 30,125.38 : x
  2. Step 2: Convert to fraction form
    54,323.19/74,962.21 = 30,125.38/x
  3. Step 3: Cross multiply
    54,323.19x = 74,962.21 × 30,125.38
  4. Step 4: Simplify right side
    54,323.19x = 2,258,265,061.89
  5. Step 5: Solve for x
    x = 2,258,265,061.89/54,323.19
  6. Step 6: Final answer
    x = 41,570.92

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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.