Home / 66,350.44-99,279.01-39,709.74

Finding the Fourth Proportional to 66,350.44, 99,279.01 and 39,709.74

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Solution

The fourth proportional to 66,350.44, 99,279.01 and 39,709.74 is: 59,417.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,350.44 : 99,279.01 = 39,709.74 : x
  2. Step 2: Convert to fraction form
    66,350.44/99,279.01 = 39,709.74/x
  3. Step 3: Cross multiply
    66,350.44x = 99,279.01 × 39,709.74
  4. Step 4: Simplify right side
    66,350.44x = 3,942,343,476.01
  5. Step 5: Solve for x
    x = 3,942,343,476.01/66,350.44
  6. Step 6: Final answer
    x = 59,417.00

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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.