Home / 94,120.25-129,886.13-51,099.79

Finding the Fourth Proportional to 94,120.25, 129,886.13 and 51,099.79

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Solution

The fourth proportional to 94,120.25, 129,886.13 and 51,099.79 is: 70,517.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,120.25 : 129,886.13 = 51,099.79 : x
  2. Step 2: Convert to fraction form
    94,120.25/129,886.13 = 51,099.79/x
  3. Step 3: Cross multiply
    94,120.25x = 129,886.13 × 51,099.79
  4. Step 4: Simplify right side
    94,120.25x = 6,637,153,317.48
  5. Step 5: Solve for x
    x = 6,637,153,317.48/94,120.25
  6. Step 6: Final answer
    x = 70,517.81

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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.