Home / 112,856.01-155,633.85-67,526.79

Finding the Fourth Proportional to 112,856.01, 155,633.85 and 67,526.79

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Solution

The fourth proportional to 112,856.01, 155,633.85 and 67,526.79 is: 93,122.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,856.01 : 155,633.85 = 67,526.79 : x
  2. Step 2: Convert to fraction form
    112,856.01/155,633.85 = 67,526.79/x
  3. Step 3: Cross multiply
    112,856.01x = 155,633.85 × 67,526.79
  4. Step 4: Simplify right side
    112,856.01x = 10,509,454,305.84
  5. Step 5: Solve for x
    x = 10,509,454,305.84/112,856.01
  6. Step 6: Final answer
    x = 93,122.68

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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.