Home / 112,069.52-154,656.60-64,321.64

Finding the Fourth Proportional to 112,069.52, 154,656.60 and 64,321.64

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Solution

The fourth proportional to 112,069.52, 154,656.60 and 64,321.64 is: 88,764.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,069.52 : 154,656.60 = 64,321.64 : x
  2. Step 2: Convert to fraction form
    112,069.52/154,656.60 = 64,321.64/x
  3. Step 3: Cross multiply
    112,069.52x = 154,656.60 × 64,321.64
  4. Step 4: Simplify right side
    112,069.52x = 9,947,766,148.82
  5. Step 5: Solve for x
    x = 9,947,766,148.82/112,069.52
  6. Step 6: Final answer
    x = 88,764.24

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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.