Home / 85,566.30-128,382.32-35,633.04

Finding the Fourth Proportional to 85,566.30, 128,382.32 and 35,633.04

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Solution

The fourth proportional to 85,566.30, 128,382.32 and 35,633.04 is: 53,463.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,566.30 : 128,382.32 = 35,633.04 : x
  2. Step 2: Convert to fraction form
    85,566.30/128,382.32 = 35,633.04/x
  3. Step 3: Cross multiply
    85,566.30x = 128,382.32 × 35,633.04
  4. Step 4: Simplify right side
    85,566.30x = 4,574,652,343.85
  5. Step 5: Solve for x
    x = 4,574,652,343.85/85,566.30
  6. Step 6: Final answer
    x = 53,463.25

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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.