Home / 102,583.79-141,565.25-57,261.38

Finding the Fourth Proportional to 102,583.79, 141,565.25 and 57,261.38

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Solution

The fourth proportional to 102,583.79, 141,565.25 and 57,261.38 is: 79,020.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,583.79 : 141,565.25 = 57,261.38 : x
  2. Step 2: Convert to fraction form
    102,583.79/141,565.25 = 57,261.38/x
  3. Step 3: Cross multiply
    102,583.79x = 141,565.25 × 57,261.38
  4. Step 4: Simplify right side
    102,583.79x = 8,106,220,580.91
  5. Step 5: Solve for x
    x = 8,106,220,580.91/102,583.79
  6. Step 6: Final answer
    x = 79,020.48

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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.