Home / 85,326.16-117,695.28-51,792.16

Finding the Fourth Proportional to 85,326.16, 117,695.28 and 51,792.16

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Solution

The fourth proportional to 85,326.16, 117,695.28 and 51,792.16 is: 71,439.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,326.16 : 117,695.28 = 51,792.16 : x
  2. Step 2: Convert to fraction form
    85,326.16/117,695.28 = 51,792.16/x
  3. Step 3: Cross multiply
    85,326.16x = 117,695.28 × 51,792.16
  4. Step 4: Simplify right side
    85,326.16x = 6,095,692,773.00
  5. Step 5: Solve for x
    x = 6,095,692,773.00/85,326.16
  6. Step 6: Final answer
    x = 71,439.91

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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.