Home / 102,570.35-141,545.23-57,247.51

Finding the Fourth Proportional to 102,570.35, 141,545.23 and 57,247.51

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Solution

The fourth proportional to 102,570.35, 141,545.23 and 57,247.51 is: 79,000.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,570.35 : 141,545.23 = 57,247.51 : x
  2. Step 2: Convert to fraction form
    102,570.35/141,545.23 = 57,247.51/x
  3. Step 3: Cross multiply
    102,570.35x = 141,545.23 × 57,247.51
  4. Step 4: Simplify right side
    102,570.35x = 8,103,112,003.69
  5. Step 5: Solve for x
    x = 8,103,112,003.69/102,570.35
  6. Step 6: Final answer
    x = 79,000.53

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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.