Home / 53,031.03-79,545.12-13,050.37

Finding the Fourth Proportional to 53,031.03, 79,545.12 and 13,050.37

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Solution

The fourth proportional to 53,031.03, 79,545.12 and 13,050.37 is: 19,575.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,031.03 : 79,545.12 = 13,050.37 : x
  2. Step 2: Convert to fraction form
    53,031.03/79,545.12 = 13,050.37/x
  3. Step 3: Cross multiply
    53,031.03x = 79,545.12 × 13,050.37
  4. Step 4: Simplify right side
    53,031.03x = 1,038,093,247.69
  5. Step 5: Solve for x
    x = 1,038,093,247.69/53,031.03
  6. Step 6: Final answer
    x = 19,575.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.