Home / 76,982.13-115,210.35-64,516.23

Finding the Fourth Proportional to 76,982.13, 115,210.35 and 64,516.23

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Solution

The fourth proportional to 76,982.13, 115,210.35 and 64,516.23 is: 96,554.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,982.13 : 115,210.35 = 64,516.23 : x
  2. Step 2: Convert to fraction form
    76,982.13/115,210.35 = 64,516.23/x
  3. Step 3: Cross multiply
    76,982.13x = 115,210.35 × 64,516.23
  4. Step 4: Simplify right side
    76,982.13x = 7,432,937,438.98
  5. Step 5: Solve for x
    x = 7,432,937,438.98/76,982.13
  6. Step 6: Final answer
    x = 96,554.06

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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.