Home / 80,796.40-121,154.04-47,073.32

Finding the Fourth Proportional to 80,796.40, 121,154.04 and 47,073.32

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Solution

The fourth proportional to 80,796.40, 121,154.04 and 47,073.32 is: 70,586.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,796.40 : 121,154.04 = 47,073.32 : x
  2. Step 2: Convert to fraction form
    80,796.40/121,154.04 = 47,073.32/x
  3. Step 3: Cross multiply
    80,796.40x = 121,154.04 × 47,073.32
  4. Step 4: Simplify right side
    80,796.40x = 5,703,122,742.77
  5. Step 5: Solve for x
    x = 5,703,122,742.77/80,796.40
  6. Step 6: Final answer
    x = 70,586.35

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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.