Home / 92,015.91-126,986.96-51,184.35

Finding the Fourth Proportional to 92,015.91, 126,986.96 and 51,184.35

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Solution

The fourth proportional to 92,015.91, 126,986.96 and 51,184.35 is: 70,637.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,015.91 : 126,986.96 = 51,184.35 : x
  2. Step 2: Convert to fraction form
    92,015.91/126,986.96 = 51,184.35/x
  3. Step 3: Cross multiply
    92,015.91x = 126,986.96 × 51,184.35
  4. Step 4: Simplify right side
    92,015.91x = 6,499,744,750.15
  5. Step 5: Solve for x
    x = 6,499,744,750.15/92,015.91
  6. Step 6: Final answer
    x = 70,637.18

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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.