Home / 112,067.17-154,592.63-71,737.54

Finding the Fourth Proportional to 112,067.17, 154,592.63 and 71,737.54

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Solution

The fourth proportional to 112,067.17, 154,592.63 and 71,737.54 is: 98,959.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,067.17 : 154,592.63 = 71,737.54 : x
  2. Step 2: Convert to fraction form
    112,067.17/154,592.63 = 71,737.54/x
  3. Step 3: Cross multiply
    112,067.17x = 154,592.63 × 71,737.54
  4. Step 4: Simplify right side
    112,067.17x = 11,090,094,619.64
  5. Step 5: Solve for x
    x = 11,090,094,619.64/112,067.17
  6. Step 6: Final answer
    x = 98,959.35

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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.