Home / 72,081.36-108,136.98-24,700.05

Finding the Fourth Proportional to 72,081.36, 108,136.98 and 24,700.05

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Solution

The fourth proportional to 72,081.36, 108,136.98 and 24,700.05 is: 37,055.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,081.36 : 108,136.98 = 24,700.05 : x
  2. Step 2: Convert to fraction form
    72,081.36/108,136.98 = 24,700.05/x
  3. Step 3: Cross multiply
    72,081.36x = 108,136.98 × 24,700.05
  4. Step 4: Simplify right side
    72,081.36x = 2,670,988,812.85
  5. Step 5: Solve for x
    x = 2,670,988,812.85/72,081.36
  6. Step 6: Final answer
    x = 37,055.19

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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.