Home / 72,017.19-108,026.19-47,214.18

Finding the Fourth Proportional to 72,017.19, 108,026.19 and 47,214.18

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Solution

The fourth proportional to 72,017.19, 108,026.19 and 47,214.18 is: 70,821.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,017.19 : 108,026.19 = 47,214.18 : x
  2. Step 2: Convert to fraction form
    72,017.19/108,026.19 = 47,214.18/x
  3. Step 3: Cross multiply
    72,017.19x = 108,026.19 × 47,214.18
  4. Step 4: Simplify right side
    72,017.19x = 5,100,367,979.37
  5. Step 5: Solve for x
    x = 5,100,367,979.37/72,017.19
  6. Step 6: Final answer
    x = 70,821.54

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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.