Home / 57,816.58-86,717.12-15,699.52

Finding the Fourth Proportional to 57,816.58, 86,717.12 and 15,699.52

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Solution

The fourth proportional to 57,816.58, 86,717.12 and 15,699.52 is: 23,547.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,816.58 : 86,717.12 = 15,699.52 : x
  2. Step 2: Convert to fraction form
    57,816.58/86,717.12 = 15,699.52/x
  3. Step 3: Cross multiply
    57,816.58x = 86,717.12 × 15,699.52
  4. Step 4: Simplify right side
    57,816.58x = 1,361,416,726.20
  5. Step 5: Solve for x
    x = 1,361,416,726.20/57,816.58
  6. Step 6: Final answer
    x = 23,547.17

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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.