Home / 110,705.28-152,774.40-60,405.12

Finding the Fourth Proportional to 110,705.28, 152,774.40 and 60,405.12

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Solution

The fourth proportional to 110,705.28, 152,774.40 and 60,405.12 is: 83,359.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,705.28 : 152,774.40 = 60,405.12 : x
  2. Step 2: Convert to fraction form
    110,705.28/152,774.40 = 60,405.12/x
  3. Step 3: Cross multiply
    110,705.28x = 152,774.40 × 60,405.12
  4. Step 4: Simplify right side
    110,705.28x = 9,228,355,964.93
  5. Step 5: Solve for x
    x = 9,228,355,964.93/110,705.28
  6. Step 6: Final answer
    x = 83,359.67

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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.