Home / 60,720.23-91,111.33-40,957.36

Finding the Fourth Proportional to 60,720.23, 91,111.33 and 40,957.36

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Solution

The fourth proportional to 60,720.23, 91,111.33 and 40,957.36 is: 61,456.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,720.23 : 91,111.33 = 40,957.36 : x
  2. Step 2: Convert to fraction form
    60,720.23/91,111.33 = 40,957.36/x
  3. Step 3: Cross multiply
    60,720.23x = 91,111.33 × 40,957.36
  4. Step 4: Simplify right side
    60,720.23x = 3,731,679,542.89
  5. Step 5: Solve for x
    x = 3,731,679,542.89/60,720.23
  6. Step 6: Final answer
    x = 61,456.94

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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.