Home / 85,836.54-118,426.06-51,832.10

Finding the Fourth Proportional to 85,836.54, 118,426.06 and 51,832.10

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Solution

The fourth proportional to 85,836.54, 118,426.06 and 51,832.10 is: 71,511.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,836.54 : 118,426.06 = 51,832.10 : x
  2. Step 2: Convert to fraction form
    85,836.54/118,426.06 = 51,832.10/x
  3. Step 3: Cross multiply
    85,836.54x = 118,426.06 × 51,832.10
  4. Step 4: Simplify right side
    85,836.54x = 6,138,271,384.53
  5. Step 5: Solve for x
    x = 6,138,271,384.53/85,836.54
  6. Step 6: Final answer
    x = 71,511.17

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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.