Home / 94,115.82-129,880.06-51,677.09

Finding the Fourth Proportional to 94,115.82, 129,880.06 and 51,677.09

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Solution

The fourth proportional to 94,115.82, 129,880.06 and 51,677.09 is: 71,314.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,115.82 : 129,880.06 = 51,677.09 : x
  2. Step 2: Convert to fraction form
    94,115.82/129,880.06 = 51,677.09/x
  3. Step 3: Cross multiply
    94,115.82x = 129,880.06 × 51,677.09
  4. Step 4: Simplify right side
    94,115.82x = 6,711,823,549.83
  5. Step 5: Solve for x
    x = 6,711,823,549.83/94,115.82
  6. Step 6: Final answer
    x = 71,314.51

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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.