Home / 88,335.09-121,903.61-50,609.25

Finding the Fourth Proportional to 88,335.09, 121,903.61 and 50,609.25

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Solution

The fourth proportional to 88,335.09, 121,903.61 and 50,609.25 is: 69,841.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,335.09 : 121,903.61 = 50,609.25 : x
  2. Step 2: Convert to fraction form
    88,335.09/121,903.61 = 50,609.25/x
  3. Step 3: Cross multiply
    88,335.09x = 121,903.61 × 50,609.25
  4. Step 4: Simplify right side
    88,335.09x = 6,169,450,021.35
  5. Step 5: Solve for x
    x = 6,169,450,021.35/88,335.09
  6. Step 6: Final answer
    x = 69,841.44

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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.