Home / 88,091.09-121,566.03-47,804.85

Finding the Fourth Proportional to 88,091.09, 121,566.03 and 47,804.85

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Solution

The fourth proportional to 88,091.09, 121,566.03 and 47,804.85 is: 65,970.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,091.09 : 121,566.03 = 47,804.85 : x
  2. Step 2: Convert to fraction form
    88,091.09/121,566.03 = 47,804.85/x
  3. Step 3: Cross multiply
    88,091.09x = 121,566.03 × 47,804.85
  4. Step 4: Simplify right side
    88,091.09x = 5,811,445,829.25
  5. Step 5: Solve for x
    x = 5,811,445,829.25/88,091.09
  6. Step 6: Final answer
    x = 65,970.87

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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.