Home / 62,431.68-86,156.10-34,137.48

Finding the Fourth Proportional to 62,431.68, 86,156.10 and 34,137.48

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Solution

The fourth proportional to 62,431.68, 86,156.10 and 34,137.48 is: 47,109.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,431.68 : 86,156.10 = 34,137.48 : x
  2. Step 2: Convert to fraction form
    62,431.68/86,156.10 = 34,137.48/x
  3. Step 3: Cross multiply
    62,431.68x = 86,156.10 × 34,137.48
  4. Step 4: Simplify right side
    62,431.68x = 2,941,152,140.63
  5. Step 5: Solve for x
    x = 2,941,152,140.63/62,431.68
  6. Step 6: Final answer
    x = 47,109.93

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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.