Home / 72,071.21-108,019.08-51,017.22

Finding the Fourth Proportional to 72,071.21, 108,019.08 and 51,017.22

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Solution

The fourth proportional to 72,071.21, 108,019.08 and 51,017.22 is: 76,463.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,071.21 : 108,019.08 = 51,017.22 : x
  2. Step 2: Convert to fraction form
    72,071.21/108,019.08 = 51,017.22/x
  3. Step 3: Cross multiply
    72,071.21x = 108,019.08 × 51,017.22
  4. Step 4: Simplify right side
    72,071.21x = 5,510,833,168.56
  5. Step 5: Solve for x
    x = 5,510,833,168.56/72,071.21
  6. Step 6: Final answer
    x = 76,463.72

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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.