Home / 62,931-86,844.77-34,636.68

Finding the Fourth Proportional to 62,931, 86,844.77 and 34,636.68

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Solution

The fourth proportional to 62,931, 86,844.77 and 34,636.68 is: 47,798.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,931 : 86,844.77 = 34,636.68 : x
  2. Step 2: Convert to fraction form
    62,931/86,844.77 = 34,636.68/x
  3. Step 3: Cross multiply
    62,931x = 86,844.77 × 34,636.68
  4. Step 4: Simplify right side
    62,931x = 3,008,014,334.98
  5. Step 5: Solve for x
    x = 3,008,014,334.98/62,931
  6. Step 6: Final answer
    x = 47,798.61

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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.