Home / 80,277.48-120,376.53-47,005.92

Finding the Fourth Proportional to 80,277.48, 120,376.53 and 47,005.92

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Solution

The fourth proportional to 80,277.48, 120,376.53 and 47,005.92 is: 70,485.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,277.48 : 120,376.53 = 47,005.92 : x
  2. Step 2: Convert to fraction form
    80,277.48/120,376.53 = 47,005.92/x
  3. Step 3: Cross multiply
    80,277.48x = 120,376.53 × 47,005.92
  4. Step 4: Simplify right side
    80,277.48x = 5,658,409,539.06
  5. Step 5: Solve for x
    x = 5,658,409,539.06/80,277.48
  6. Step 6: Final answer
    x = 70,485.64

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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.