Home / 99,795.04-137,717.28-55,083.04

Finding the Fourth Proportional to 99,795.04, 137,717.28 and 55,083.04

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Solution

The fourth proportional to 99,795.04, 137,717.28 and 55,083.04 is: 76,014.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,795.04 : 137,717.28 = 55,083.04 : x
  2. Step 2: Convert to fraction form
    99,795.04/137,717.28 = 55,083.04/x
  3. Step 3: Cross multiply
    99,795.04x = 137,717.28 × 55,083.04
  4. Step 4: Simplify right side
    99,795.04x = 7,585,886,442.93
  5. Step 5: Solve for x
    x = 7,585,886,442.93/99,795.04
  6. Step 6: Final answer
    x = 76,014.66

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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.