Home / 117,027.66-161,497.95-63,312.72

Finding the Fourth Proportional to 117,027.66, 161,497.95 and 63,312.72

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Solution

The fourth proportional to 117,027.66, 161,497.95 and 63,312.72 is: 87,371.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,027.66 : 161,497.95 = 63,312.72 : x
  2. Step 2: Convert to fraction form
    117,027.66/161,497.95 = 63,312.72/x
  3. Step 3: Cross multiply
    117,027.66x = 161,497.95 × 63,312.72
  4. Step 4: Simplify right side
    117,027.66x = 10,224,874,488.92
  5. Step 5: Solve for x
    x = 10,224,874,488.92/117,027.66
  6. Step 6: Final answer
    x = 87,371.43

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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.