Home / 85,356.66-117,792.63-47,631.18

Finding the Fourth Proportional to 85,356.66, 117,792.63 and 47,631.18

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Solution

The fourth proportional to 85,356.66, 117,792.63 and 47,631.18 is: 65,731.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,356.66 : 117,792.63 = 47,631.18 : x
  2. Step 2: Convert to fraction form
    85,356.66/117,792.63 = 47,631.18/x
  3. Step 3: Cross multiply
    85,356.66x = 117,792.63 × 47,631.18
  4. Step 4: Simplify right side
    85,356.66x = 5,610,601,962.20
  5. Step 5: Solve for x
    x = 5,610,601,962.20/85,356.66
  6. Step 6: Final answer
    x = 65,731.27

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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.