Home / 88,091.51-121,566.60-47,805.26

Finding the Fourth Proportional to 88,091.51, 121,566.60 and 47,805.26

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Solution

The fourth proportional to 88,091.51, 121,566.60 and 47,805.26 is: 65,971.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,091.51 : 121,566.60 = 47,805.26 : x
  2. Step 2: Convert to fraction form
    88,091.51/121,566.60 = 47,805.26/x
  3. Step 3: Cross multiply
    88,091.51x = 121,566.60 × 47,805.26
  4. Step 4: Simplify right side
    88,091.51x = 5,811,522,312.48
  5. Step 5: Solve for x
    x = 5,811,522,312.48/88,091.51
  6. Step 6: Final answer
    x = 65,971.43

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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.