Home / 72,301.44-99,776.48-42,104.36

Finding the Fourth Proportional to 72,301.44, 99,776.48 and 42,104.36

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Solution

The fourth proportional to 72,301.44, 99,776.48 and 42,104.36 is: 58,104.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,301.44 : 99,776.48 = 42,104.36 : x
  2. Step 2: Convert to fraction form
    72,301.44/99,776.48 = 42,104.36/x
  3. Step 3: Cross multiply
    72,301.44x = 99,776.48 × 42,104.36
  4. Step 4: Simplify right side
    72,301.44x = 4,201,024,833.45
  5. Step 5: Solve for x
    x = 4,201,024,833.45/72,301.44
  6. Step 6: Final answer
    x = 58,104.30

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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.