Home / 88,220.86-121,750.23-50,494.30

Finding the Fourth Proportional to 88,220.86, 121,750.23 and 50,494.30

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Solution

The fourth proportional to 88,220.86, 121,750.23 and 50,494.30 is: 69,685.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,220.86 : 121,750.23 = 50,494.30 : x
  2. Step 2: Convert to fraction form
    88,220.86/121,750.23 = 50,494.30/x
  3. Step 3: Cross multiply
    88,220.86x = 121,750.23 × 50,494.30
  4. Step 4: Simplify right side
    88,220.86x = 6,147,692,638.69
  5. Step 5: Solve for x
    x = 6,147,692,638.69/88,220.86
  6. Step 6: Final answer
    x = 69,685.25

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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.