Home / 66,674.10-99,995.15-38,533.30

Finding the Fourth Proportional to 66,674.10, 99,995.15 and 38,533.30

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Solution

The fourth proportional to 66,674.10, 99,995.15 and 38,533.30 is: 57,790.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,674.10 : 99,995.15 = 38,533.30 : x
  2. Step 2: Convert to fraction form
    66,674.10/99,995.15 = 38,533.30/x
  3. Step 3: Cross multiply
    66,674.10x = 99,995.15 × 38,533.30
  4. Step 4: Simplify right side
    66,674.10x = 3,853,143,113.50
  5. Step 5: Solve for x
    x = 3,853,143,113.50/66,674.10
  6. Step 6: Final answer
    x = 57,790.70

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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.