Home / 63,145.78-87,141.63-34,465.18

Finding the Fourth Proportional to 63,145.78, 87,141.63 and 34,465.18

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Solution

The fourth proportional to 63,145.78, 87,141.63 and 34,465.18 is: 47,562.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,145.78 : 87,141.63 = 34,465.18 : x
  2. Step 2: Convert to fraction form
    63,145.78/87,141.63 = 34,465.18/x
  3. Step 3: Cross multiply
    63,145.78x = 87,141.63 × 34,465.18
  4. Step 4: Simplify right side
    63,145.78x = 3,003,351,963.44
  5. Step 5: Solve for x
    x = 3,003,351,963.44/63,145.78
  6. Step 6: Final answer
    x = 47,562.20

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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.