Home / 88,115.06-121,699.04-59,771.54

Finding the Fourth Proportional to 88,115.06, 121,699.04 and 59,771.54

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Solution

The fourth proportional to 88,115.06, 121,699.04 and 59,771.54 is: 82,552.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,115.06 : 121,699.04 = 59,771.54 : x
  2. Step 2: Convert to fraction form
    88,115.06/121,699.04 = 59,771.54/x
  3. Step 3: Cross multiply
    88,115.06x = 121,699.04 × 59,771.54
  4. Step 4: Simplify right side
    88,115.06x = 7,274,139,042.71
  5. Step 5: Solve for x
    x = 7,274,139,042.71/88,115.06
  6. Step 6: Final answer
    x = 82,552.73

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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.