Home / 88,269.68-121,814.52-47,986.14

Finding the Fourth Proportional to 88,269.68, 121,814.52 and 47,986.14

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Solution

The fourth proportional to 88,269.68, 121,814.52 and 47,986.14 is: 66,222.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,269.68 : 121,814.52 = 47,986.14 : x
  2. Step 2: Convert to fraction form
    88,269.68/121,814.52 = 47,986.14/x
  3. Step 3: Cross multiply
    88,269.68x = 121,814.52 × 47,986.14
  4. Step 4: Simplify right side
    88,269.68x = 5,845,408,610.75
  5. Step 5: Solve for x
    x = 5,845,408,610.75/88,269.68
  6. Step 6: Final answer
    x = 66,222.16

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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.