Home / 57,819.02-86,734.33-15,699.74

Finding the Fourth Proportional to 57,819.02, 86,734.33 and 15,699.74

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Solution

The fourth proportional to 57,819.02, 86,734.33 and 15,699.74 is: 23,551.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,819.02 : 86,734.33 = 15,699.74 : x
  2. Step 2: Convert to fraction form
    57,819.02/86,734.33 = 15,699.74/x
  3. Step 3: Cross multiply
    57,819.02x = 86,734.33 × 15,699.74
  4. Step 4: Simplify right side
    57,819.02x = 1,361,706,430.07
  5. Step 5: Solve for x
    x = 1,361,706,430.07/57,819.02
  6. Step 6: Final answer
    x = 23,551.18

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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.