Home / 112,102.60-154,694.10-64,349.32

Finding the Fourth Proportional to 112,102.60, 154,694.10 and 64,349.32

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Solution

The fourth proportional to 112,102.60, 154,694.10 and 64,349.32 is: 88,797.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,102.60 : 154,694.10 = 64,349.32 : x
  2. Step 2: Convert to fraction form
    112,102.60/154,694.10 = 64,349.32/x
  3. Step 3: Cross multiply
    112,102.60x = 154,694.10 × 64,349.32
  4. Step 4: Simplify right side
    112,102.60x = 9,954,460,143.01
  5. Step 5: Solve for x
    x = 9,954,460,143.01/112,102.60
  6. Step 6: Final answer
    x = 88,797.76

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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.