Home / 66,516.48-99,776.88-34,918.56

Finding the Fourth Proportional to 66,516.48, 99,776.88 and 34,918.56

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Solution

The fourth proportional to 66,516.48, 99,776.88 and 34,918.56 is: 52,378.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,516.48 : 99,776.88 = 34,918.56 : x
  2. Step 2: Convert to fraction form
    66,516.48/99,776.88 = 34,918.56/x
  3. Step 3: Cross multiply
    66,516.48x = 99,776.88 × 34,918.56
  4. Step 4: Simplify right side
    66,516.48x = 3,484,064,970.89
  5. Step 5: Solve for x
    x = 3,484,064,970.89/66,516.48
  6. Step 6: Final answer
    x = 52,378.97

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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.