Home / 63,128.48-87,117.35-36,273.51

Finding the Fourth Proportional to 63,128.48, 87,117.35 and 36,273.51

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Solution

The fourth proportional to 63,128.48, 87,117.35 and 36,273.51 is: 50,057.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,128.48 : 87,117.35 = 36,273.51 : x
  2. Step 2: Convert to fraction form
    63,128.48/87,117.35 = 36,273.51/x
  3. Step 3: Cross multiply
    63,128.48x = 87,117.35 × 36,273.51
  4. Step 4: Simplify right side
    63,128.48x = 3,160,051,885.03
  5. Step 5: Solve for x
    x = 3,160,051,885.03/63,128.48
  6. Step 6: Final answer
    x = 50,057.47

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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.