Home / 80,417.40-110,986.86-48,587.64

Finding the Fourth Proportional to 80,417.40, 110,986.86 and 48,587.64

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Solution

The fourth proportional to 80,417.40, 110,986.86 and 48,587.64 is: 67,057.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,417.40 : 110,986.86 = 48,587.64 : x
  2. Step 2: Convert to fraction form
    80,417.40/110,986.86 = 48,587.64/x
  3. Step 3: Cross multiply
    80,417.40x = 110,986.86 × 48,587.64
  4. Step 4: Simplify right side
    80,417.40x = 5,392,589,598.41
  5. Step 5: Solve for x
    x = 5,392,589,598.41/80,417.40
  6. Step 6: Final answer
    x = 67,057.50

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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.