Home / 102,242.70-141,091.47-57,522.06

Finding the Fourth Proportional to 102,242.70, 141,091.47 and 57,522.06

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Solution

The fourth proportional to 102,242.70, 141,091.47 and 57,522.06 is: 79,378.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,242.70 : 141,091.47 = 57,522.06 : x
  2. Step 2: Convert to fraction form
    102,242.70/141,091.47 = 57,522.06/x
  3. Step 3: Cross multiply
    102,242.70x = 141,091.47 × 57,522.06
  4. Step 4: Simplify right side
    102,242.70x = 8,115,872,002.83
  5. Step 5: Solve for x
    x = 8,115,872,002.83/102,242.70
  6. Step 6: Final answer
    x = 79,378.50

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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.