Home / 85,682.08-118,230.06-49,878.46

Finding the Fourth Proportional to 85,682.08, 118,230.06 and 49,878.46

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Solution

The fourth proportional to 85,682.08, 118,230.06 and 49,878.46 is: 68,825.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,682.08 : 118,230.06 = 49,878.46 : x
  2. Step 2: Convert to fraction form
    85,682.08/118,230.06 = 49,878.46/x
  3. Step 3: Cross multiply
    85,682.08x = 118,230.06 × 49,878.46
  4. Step 4: Simplify right side
    85,682.08x = 5,897,133,318.51
  5. Step 5: Solve for x
    x = 5,897,133,318.51/85,682.08
  6. Step 6: Final answer
    x = 68,825.75

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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.