Home / 63,130.64-87,128.04-36,273.10

Finding the Fourth Proportional to 63,130.64, 87,128.04 and 36,273.10

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Solution

The fourth proportional to 63,130.64, 87,128.04 and 36,273.10 is: 50,061.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,130.64 : 87,128.04 = 36,273.10 : x
  2. Step 2: Convert to fraction form
    63,130.64/87,128.04 = 36,273.10/x
  3. Step 3: Cross multiply
    63,130.64x = 87,128.04 × 36,273.10
  4. Step 4: Simplify right side
    63,130.64x = 3,160,404,107.72
  5. Step 5: Solve for x
    x = 3,160,404,107.72/63,130.64
  6. Step 6: Final answer
    x = 50,061.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.