Home / 88,342.83-121,911.93-48,055.74

Finding the Fourth Proportional to 88,342.83, 121,911.93 and 48,055.74

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Solution

The fourth proportional to 88,342.83, 121,911.93 and 48,055.74 is: 66,316.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,342.83 : 121,911.93 = 48,055.74 : x
  2. Step 2: Convert to fraction form
    88,342.83/121,911.93 = 48,055.74/x
  3. Step 3: Cross multiply
    88,342.83x = 121,911.93 × 48,055.74
  4. Step 4: Simplify right side
    88,342.83x = 5,858,568,010.98
  5. Step 5: Solve for x
    x = 5,858,568,010.98/88,342.83
  6. Step 6: Final answer
    x = 66,316.28

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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.