Home / 88,218.96-121,740.68-47,933.36

Finding the Fourth Proportional to 88,218.96, 121,740.68 and 47,933.36

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Solution

The fourth proportional to 88,218.96, 121,740.68 and 47,933.36 is: 66,147.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,218.96 : 121,740.68 = 47,933.36 : x
  2. Step 2: Convert to fraction form
    88,218.96/121,740.68 = 47,933.36/x
  3. Step 3: Cross multiply
    88,218.96x = 121,740.68 × 47,933.36
  4. Step 4: Simplify right side
    88,218.96x = 5,835,439,841.08
  5. Step 5: Solve for x
    x = 5,835,439,841.08/88,218.96
  6. Step 6: Final answer
    x = 66,147.23

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1.5x scale

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.