Home / 77,699.96-116,537.04-21,545.84

Finding the Fourth Proportional to 77,699.96, 116,537.04 and 21,545.84

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Solution

The fourth proportional to 77,699.96, 116,537.04 and 21,545.84 is: 32,315.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,699.96 : 116,537.04 = 21,545.84 : x
  2. Step 2: Convert to fraction form
    77,699.96/116,537.04 = 21,545.84/x
  3. Step 3: Cross multiply
    77,699.96x = 116,537.04 × 21,545.84
  4. Step 4: Simplify right side
    77,699.96x = 2,510,888,417.91
  5. Step 5: Solve for x
    x = 2,510,888,417.91/77,699.96
  6. Step 6: Final answer
    x = 32,315.18

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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.