Home / 91,539.80-137,324.51-28,345.07

Finding the Fourth Proportional to 91,539.80, 137,324.51 and 28,345.07

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Solution

The fourth proportional to 91,539.80, 137,324.51 and 28,345.07 is: 42,522.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,539.80 : 137,324.51 = 28,345.07 : x
  2. Step 2: Convert to fraction form
    91,539.80/137,324.51 = 28,345.07/x
  3. Step 3: Cross multiply
    91,539.80x = 137,324.51 × 28,345.07
  4. Step 4: Simplify right side
    91,539.80x = 3,892,473,091.18
  5. Step 5: Solve for x
    x = 3,892,473,091.18/91,539.80
  6. Step 6: Final answer
    x = 42,522.19

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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.