Home / 81,988.50-113,124.66-46,171.38

Finding the Fourth Proportional to 81,988.50, 113,124.66 and 46,171.38

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Solution

The fourth proportional to 81,988.50, 113,124.66 and 46,171.38 is: 63,705.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,988.50 : 113,124.66 = 46,171.38 : x
  2. Step 2: Convert to fraction form
    81,988.50/113,124.66 = 46,171.38/x
  3. Step 3: Cross multiply
    81,988.50x = 113,124.66 × 46,171.38
  4. Step 4: Simplify right side
    81,988.50x = 5,223,121,664.23
  5. Step 5: Solve for x
    x = 5,223,121,664.23/81,988.50
  6. Step 6: Final answer
    x = 63,705.54

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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.