Home / 66,606.30-99,666.45-49,110.30

Finding the Fourth Proportional to 66,606.30, 99,666.45 and 49,110.30

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Solution

The fourth proportional to 66,606.30, 99,666.45 and 49,110.30 is: 73,486.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,606.30 : 99,666.45 = 49,110.30 : x
  2. Step 2: Convert to fraction form
    66,606.30/99,666.45 = 49,110.30/x
  3. Step 3: Cross multiply
    66,606.30x = 99,666.45 × 49,110.30
  4. Step 4: Simplify right side
    66,606.30x = 4,894,649,259.44
  5. Step 5: Solve for x
    x = 4,894,649,259.44/66,606.30
  6. Step 6: Final answer
    x = 73,486.28

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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.