Home / 78,016.01-116,952.93-28,084.37

Finding the Fourth Proportional to 78,016.01, 116,952.93 and 28,084.37

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Solution

The fourth proportional to 78,016.01, 116,952.93 and 28,084.37 is: 42,100.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,016.01 : 116,952.93 = 28,084.37 : x
  2. Step 2: Convert to fraction form
    78,016.01/116,952.93 = 28,084.37/x
  3. Step 3: Cross multiply
    78,016.01x = 116,952.93 × 28,084.37
  4. Step 4: Simplify right side
    78,016.01x = 3,284,549,358.70
  5. Step 5: Solve for x
    x = 3,284,549,358.70/78,016.01
  6. Step 6: Final answer
    x = 42,100.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.