Home / 57,802.19-86,696.28-15,679.67

Finding the Fourth Proportional to 57,802.19, 86,696.28 and 15,679.67

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Solution

The fourth proportional to 57,802.19, 86,696.28 and 15,679.67 is: 23,517.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,802.19 : 86,696.28 = 15,679.67 : x
  2. Step 2: Convert to fraction form
    57,802.19/86,696.28 = 15,679.67/x
  3. Step 3: Cross multiply
    57,802.19x = 86,696.28 × 15,679.67
  4. Step 4: Simplify right side
    57,802.19x = 1,359,368,627.15
  5. Step 5: Solve for x
    x = 1,359,368,627.15/57,802.19
  6. Step 6: Final answer
    x = 23,517.60

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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.