Home / 94,192.64-129,984-51,750.08

Finding the Fourth Proportional to 94,192.64, 129,984 and 51,750.08

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Solution

The fourth proportional to 94,192.64, 129,984 and 51,750.08 is: 71,414.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,192.64 : 129,984 = 51,750.08 : x
  2. Step 2: Convert to fraction form
    94,192.64/129,984 = 51,750.08/x
  3. Step 3: Cross multiply
    94,192.64x = 129,984 × 51,750.08
  4. Step 4: Simplify right side
    94,192.64x = 6,726,682,398.72
  5. Step 5: Solve for x
    x = 6,726,682,398.72/94,192.64
  6. Step 6: Final answer
    x = 71,414.10

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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.