Home / 72,177.48-99,504.86-62,212.05

Finding the Fourth Proportional to 72,177.48, 99,504.86 and 62,212.05

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Solution

The fourth proportional to 72,177.48, 99,504.86 and 62,212.05 is: 85,766.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,177.48 : 99,504.86 = 62,212.05 : x
  2. Step 2: Convert to fraction form
    72,177.48/99,504.86 = 62,212.05/x
  3. Step 3: Cross multiply
    72,177.48x = 99,504.86 × 62,212.05
  4. Step 4: Simplify right side
    72,177.48x = 6,190,401,014.50
  5. Step 5: Solve for x
    x = 6,190,401,014.50/72,177.48
  6. Step 6: Final answer
    x = 85,766.38

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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.