Home / 78,017.92-117,093.23-30,666.18

Finding the Fourth Proportional to 78,017.92, 117,093.23 and 30,666.18

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Solution

The fourth proportional to 78,017.92, 117,093.23 and 30,666.18 is: 46,025.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,017.92 : 117,093.23 = 30,666.18 : x
  2. Step 2: Convert to fraction form
    78,017.92/117,093.23 = 30,666.18/x
  3. Step 3: Cross multiply
    78,017.92x = 117,093.23 × 30,666.18
  4. Step 4: Simplify right side
    78,017.92x = 3,590,802,433.44
  5. Step 5: Solve for x
    x = 3,590,802,433.44/78,017.92
  6. Step 6: Final answer
    x = 46,025.35

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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.