Home / 62,931.20-86,845.92-34,638.08

Finding the Fourth Proportional to 62,931.20, 86,845.92 and 34,638.08

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Solution

The fourth proportional to 62,931.20, 86,845.92 and 34,638.08 is: 47,801.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,931.20 : 86,845.92 = 34,638.08 : x
  2. Step 2: Convert to fraction form
    62,931.20/86,845.92 = 34,638.08/x
  3. Step 3: Cross multiply
    62,931.20x = 86,845.92 × 34,638.08
  4. Step 4: Simplify right side
    62,931.20x = 3,008,175,924.63
  5. Step 5: Solve for x
    x = 3,008,175,924.63/62,931.20
  6. Step 6: Final answer
    x = 47,801.03

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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.