Home / 67,731.48-93,472.80-40,873.56

Finding the Fourth Proportional to 67,731.48, 93,472.80 and 40,873.56

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Solution

The fourth proportional to 67,731.48, 93,472.80 and 40,873.56 is: 56,407.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,731.48 : 93,472.80 = 40,873.56 : x
  2. Step 2: Convert to fraction form
    67,731.48/93,472.80 = 40,873.56/x
  3. Step 3: Cross multiply
    67,731.48x = 93,472.80 × 40,873.56
  4. Step 4: Simplify right side
    67,731.48x = 3,820,566,099.17
  5. Step 5: Solve for x
    x = 3,820,566,099.17/67,731.48
  6. Step 6: Final answer
    x = 56,407.54

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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.