Home / 102,666.14-141,675.04-57,343.91

Finding the Fourth Proportional to 102,666.14, 141,675.04 and 57,343.91

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Solution

The fourth proportional to 102,666.14, 141,675.04 and 57,343.91 is: 79,132.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,666.14 : 141,675.04 = 57,343.91 : x
  2. Step 2: Convert to fraction form
    102,666.14/141,675.04 = 57,343.91/x
  3. Step 3: Cross multiply
    102,666.14x = 141,675.04 × 57,343.91
  4. Step 4: Simplify right side
    102,666.14x = 8,124,200,743.01
  5. Step 5: Solve for x
    x = 8,124,200,743.01/102,666.14
  6. Step 6: Final answer
    x = 79,132.23

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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.