Home / 57,802.18-86,705.05-15,682.10

Finding the Fourth Proportional to 57,802.18, 86,705.05 and 15,682.10

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Solution

The fourth proportional to 57,802.18, 86,705.05 and 15,682.10 is: 23,523.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,802.18 : 86,705.05 = 15,682.10 : x
  2. Step 2: Convert to fraction form
    57,802.18/86,705.05 = 15,682.10/x
  3. Step 3: Cross multiply
    57,802.18x = 86,705.05 × 15,682.10
  4. Step 4: Simplify right side
    57,802.18x = 1,359,716,831.08
  5. Step 5: Solve for x
    x = 1,359,716,831.08/57,802.18
  6. Step 6: Final answer
    x = 23,523.63

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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.