Home / 77,222.45-115,645.04-47,599.53

Finding the Fourth Proportional to 77,222.45, 115,645.04 and 47,599.53

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Solution

The fourth proportional to 77,222.45, 115,645.04 and 47,599.53 is: 71,283.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,222.45 : 115,645.04 = 47,599.53 : x
  2. Step 2: Convert to fraction form
    77,222.45/115,645.04 = 47,599.53/x
  3. Step 3: Cross multiply
    77,222.45x = 115,645.04 × 47,599.53
  4. Step 4: Simplify right side
    77,222.45x = 5,504,649,312.83
  5. Step 5: Solve for x
    x = 5,504,649,312.83/77,222.45
  6. Step 6: Final answer
    x = 71,283.02

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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.