Home / 70,230.36-96,925.98-40,021.08

Finding the Fourth Proportional to 70,230.36, 96,925.98 and 40,021.08

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Solution

The fourth proportional to 70,230.36, 96,925.98 and 40,021.08 is: 55,233.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,230.36 : 96,925.98 = 40,021.08 : x
  2. Step 2: Convert to fraction form
    70,230.36/96,925.98 = 40,021.08/x
  3. Step 3: Cross multiply
    70,230.36x = 96,925.98 × 40,021.08
  4. Step 4: Simplify right side
    70,230.36x = 3,879,082,399.66
  5. Step 5: Solve for x
    x = 3,879,082,399.66/70,230.36
  6. Step 6: Final answer
    x = 55,233.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.