Home / 112,106.48-168,171.24-64,774.64

Finding the Fourth Proportional to 112,106.48, 168,171.24 and 64,774.64

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Solution

The fourth proportional to 112,106.48, 168,171.24 and 64,774.64 is: 97,168.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,106.48 : 168,171.24 = 64,774.64 : x
  2. Step 2: Convert to fraction form
    112,106.48/168,171.24 = 64,774.64/x
  3. Step 3: Cross multiply
    112,106.48x = 168,171.24 × 64,774.64
  4. Step 4: Simplify right side
    112,106.48x = 10,893,231,529.35
  5. Step 5: Solve for x
    x = 10,893,231,529.35/112,106.48
  6. Step 6: Final answer
    x = 97,168.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.