Home / 113,243.82-156,272.64-62,941.74

Finding the Fourth Proportional to 113,243.82, 156,272.64 and 62,941.74

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Solution

The fourth proportional to 113,243.82, 156,272.64 and 62,941.74 is: 86,857.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,243.82 : 156,272.64 = 62,941.74 : x
  2. Step 2: Convert to fraction form
    113,243.82/156,272.64 = 62,941.74/x
  3. Step 3: Cross multiply
    113,243.82x = 156,272.64 × 62,941.74
  4. Step 4: Simplify right side
    113,243.82x = 9,836,071,875.99
  5. Step 5: Solve for x
    x = 9,836,071,875.99/113,243.82
  6. Step 6: Final answer
    x = 86,857.47

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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.