Home / 62,929.24-86,780.10-57,467.32

Finding the Fourth Proportional to 62,929.24, 86,780.10 and 57,467.32

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Solution

The fourth proportional to 62,929.24, 86,780.10 and 57,467.32 is: 79,248.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,929.24 : 86,780.10 = 57,467.32 : x
  2. Step 2: Convert to fraction form
    62,929.24/86,780.10 = 57,467.32/x
  3. Step 3: Cross multiply
    62,929.24x = 86,780.10 × 57,467.32
  4. Step 4: Simplify right side
    62,929.24x = 4,987,019,776.33
  5. Step 5: Solve for x
    x = 4,987,019,776.33/62,929.24
  6. Step 6: Final answer
    x = 79,248.05

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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.