Home / 63,128.51-87,125.65-43,995.90

Finding the Fourth Proportional to 63,128.51, 87,125.65 and 43,995.90

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Solution

The fourth proportional to 63,128.51, 87,125.65 and 43,995.90 is: 60,720.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,128.51 : 87,125.65 = 43,995.90 : x
  2. Step 2: Convert to fraction form
    63,128.51/87,125.65 = 43,995.90/x
  3. Step 3: Cross multiply
    63,128.51x = 87,125.65 × 43,995.90
  4. Step 4: Simplify right side
    63,128.51x = 3,833,171,274.85
  5. Step 5: Solve for x
    x = 3,833,171,274.85/63,128.51
  6. Step 6: Final answer
    x = 60,720.13

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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.