Home / 112,102.97-154,702.01-64,359.23

Finding the Fourth Proportional to 112,102.97, 154,702.01 and 64,359.23

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Solution

The fourth proportional to 112,102.97, 154,702.01 and 64,359.23 is: 88,815.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,102.97 : 154,702.01 = 64,359.23 : x
  2. Step 2: Convert to fraction form
    112,102.97/154,702.01 = 64,359.23/x
  3. Step 3: Cross multiply
    112,102.97x = 154,702.01 × 64,359.23
  4. Step 4: Simplify right side
    112,102.97x = 9,956,501,630.44
  5. Step 5: Solve for x
    x = 9,956,501,630.44/112,102.97
  6. Step 6: Final answer
    x = 88,815.69

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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.