Home / 88,030.13-121,481.64-47,743.88

Finding the Fourth Proportional to 88,030.13, 121,481.64 and 47,743.88

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Solution

The fourth proportional to 88,030.13, 121,481.64 and 47,743.88 is: 65,886.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,030.13 : 121,481.64 = 47,743.88 : x
  2. Step 2: Convert to fraction form
    88,030.13/121,481.64 = 47,743.88/x
  3. Step 3: Cross multiply
    88,030.13x = 121,481.64 × 47,743.88
  4. Step 4: Simplify right side
    88,030.13x = 5,800,005,146.07
  5. Step 5: Solve for x
    x = 5,800,005,146.07/88,030.13
  6. Step 6: Final answer
    x = 65,886.59

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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.