Home / 82,484.47-113,831.09-48,486.72

Finding the Fourth Proportional to 82,484.47, 113,831.09 and 48,486.72

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Solution

The fourth proportional to 82,484.47, 113,831.09 and 48,486.72 is: 66,913.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,484.47 : 113,831.09 = 48,486.72 : x
  2. Step 2: Convert to fraction form
    82,484.47/113,831.09 = 48,486.72/x
  3. Step 3: Cross multiply
    82,484.47x = 113,831.09 × 48,486.72
  4. Step 4: Simplify right side
    82,484.47x = 5,519,296,309.34
  5. Step 5: Solve for x
    x = 5,519,296,309.34/82,484.47
  6. Step 6: Final answer
    x = 66,913.16

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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.