Home / 91,941.45-126,871.42-51,652.05

Finding the Fourth Proportional to 91,941.45, 126,871.42 and 51,652.05

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Solution

The fourth proportional to 91,941.45, 126,871.42 and 51,652.05 is: 71,275.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,941.45 : 126,871.42 = 51,652.05 : x
  2. Step 2: Convert to fraction form
    91,941.45/126,871.42 = 51,652.05/x
  3. Step 3: Cross multiply
    91,941.45x = 126,871.42 × 51,652.05
  4. Step 4: Simplify right side
    91,941.45x = 6,553,168,929.41
  5. Step 5: Solve for x
    x = 6,553,168,929.41/91,941.45
  6. Step 6: Final answer
    x = 71,275.46

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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.