Home / 63,871.42-88,141.35-40,011.25

Finding the Fourth Proportional to 63,871.42, 88,141.35 and 40,011.25

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Solution

The fourth proportional to 63,871.42, 88,141.35 and 40,011.25 is: 55,214.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,871.42 : 88,141.35 = 40,011.25 : x
  2. Step 2: Convert to fraction form
    63,871.42/88,141.35 = 40,011.25/x
  3. Step 3: Cross multiply
    63,871.42x = 88,141.35 × 40,011.25
  4. Step 4: Simplify right side
    63,871.42x = 3,526,645,590.19
  5. Step 5: Solve for x
    x = 3,526,645,590.19/63,871.42
  6. Step 6: Final answer
    x = 55,214.77

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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.