Home / 112,069.28-154,727.60-69,685.44

Finding the Fourth Proportional to 112,069.28, 154,727.60 and 69,685.44

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Solution

The fourth proportional to 112,069.28, 154,727.60 and 69,685.44 is: 96,210.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,069.28 : 154,727.60 = 69,685.44 : x
  2. Step 2: Convert to fraction form
    112,069.28/154,727.60 = 69,685.44/x
  3. Step 3: Cross multiply
    112,069.28x = 154,727.60 × 69,685.44
  4. Step 4: Simplify right side
    112,069.28x = 10,782,260,886.14
  5. Step 5: Solve for x
    x = 10,782,260,886.14/112,069.28
  6. Step 6: Final answer
    x = 96,210.67

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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.