Home / 102,693.55-141,717.08-57,371.55

Finding the Fourth Proportional to 102,693.55, 141,717.08 and 57,371.55

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Solution

The fourth proportional to 102,693.55, 141,717.08 and 57,371.55 is: 79,172.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,693.55 : 141,717.08 = 57,371.55 : x
  2. Step 2: Convert to fraction form
    102,693.55/141,717.08 = 57,371.55/x
  3. Step 3: Cross multiply
    102,693.55x = 141,717.08 × 57,371.55
  4. Step 4: Simplify right side
    102,693.55x = 8,130,528,153.06
  5. Step 5: Solve for x
    x = 8,130,528,153.06/102,693.55
  6. Step 6: Final answer
    x = 79,172.73

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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.