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Finding the Fourth Proportional to 63,162.64, 87,164.13 and 34,868.26

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Solution

The fourth proportional to 63,162.64, 87,164.13 and 34,868.26 is: 48,118.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,162.64 : 87,164.13 = 34,868.26 : x
  2. Step 2: Convert to fraction form
    63,162.64/87,164.13 = 34,868.26/x
  3. Step 3: Cross multiply
    63,162.64x = 87,164.13 × 34,868.26
  4. Step 4: Simplify right side
    63,162.64x = 3,039,261,547.51
  5. Step 5: Solve for x
    x = 3,039,261,547.51/63,162.64
  6. Step 6: Final answer
    x = 48,118.03

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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.