Home / 62,431.66-86,155.14-34,137.55

Finding the Fourth Proportional to 62,431.66, 86,155.14 and 34,137.55

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Solution

The fourth proportional to 62,431.66, 86,155.14 and 34,137.55 is: 47,109.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,431.66 : 86,155.14 = 34,137.55 : x
  2. Step 2: Convert to fraction form
    62,431.66/86,155.14 = 34,137.55/x
  3. Step 3: Cross multiply
    62,431.66x = 86,155.14 × 34,137.55
  4. Step 4: Simplify right side
    62,431.66x = 2,941,125,399.51
  5. Step 5: Solve for x
    x = 2,941,125,399.51/62,431.66
  6. Step 6: Final answer
    x = 47,109.52

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1.5x scale

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.