Home / 85,734.72-118,284.30-53,906.04

Finding the Fourth Proportional to 85,734.72, 118,284.30 and 53,906.04

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Solution

The fourth proportional to 85,734.72, 118,284.30 and 53,906.04 is: 74,371.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,734.72 : 118,284.30 = 53,906.04 : x
  2. Step 2: Convert to fraction form
    85,734.72/118,284.30 = 53,906.04/x
  3. Step 3: Cross multiply
    85,734.72x = 118,284.30 × 53,906.04
  4. Step 4: Simplify right side
    85,734.72x = 6,376,238,207.17
  5. Step 5: Solve for x
    x = 6,376,238,207.17/85,734.72
  6. Step 6: Final answer
    x = 74,371.72

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1.5x scale

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.