Home / 79,640.36-119,534.44-40,225.16

Finding the Fourth Proportional to 79,640.36, 119,534.44 and 40,225.16

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Solution

The fourth proportional to 79,640.36, 119,534.44 and 40,225.16 is: 60,375.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,640.36 : 119,534.44 = 40,225.16 : x
  2. Step 2: Convert to fraction form
    79,640.36/119,534.44 = 40,225.16/x
  3. Step 3: Cross multiply
    79,640.36x = 119,534.44 × 40,225.16
  4. Step 4: Simplify right side
    79,640.36x = 4,808,291,974.51
  5. Step 5: Solve for x
    x = 4,808,291,974.51/79,640.36
  6. Step 6: Final answer
    x = 60,375.07

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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.