Home / 112,099.08-168,064.92-67,715.76

Finding the Fourth Proportional to 112,099.08, 168,064.92 and 67,715.76

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Solution

The fourth proportional to 112,099.08, 168,064.92 and 67,715.76 is: 101,523.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,099.08 : 168,064.92 = 67,715.76 : x
  2. Step 2: Convert to fraction form
    112,099.08/168,064.92 = 67,715.76/x
  3. Step 3: Cross multiply
    112,099.08x = 168,064.92 × 67,715.76
  4. Step 4: Simplify right side
    112,099.08x = 11,380,643,787.14
  5. Step 5: Solve for x
    x = 11,380,643,787.14/112,099.08
  6. Step 6: Final answer
    x = 101,523.08

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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.