Home / 71,031.33-98,018.00-40,816.71

Finding the Fourth Proportional to 71,031.33, 98,018.00 and 40,816.71

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Solution

The fourth proportional to 71,031.33, 98,018.00 and 40,816.71 is: 56,324.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,031.33 : 98,018.00 = 40,816.71 : x
  2. Step 2: Convert to fraction form
    71,031.33/98,018.00 = 40,816.71/x
  3. Step 3: Cross multiply
    71,031.33x = 98,018.00 × 40,816.71
  4. Step 4: Simplify right side
    71,031.33x = 4,000,772,229.76
  5. Step 5: Solve for x
    x = 4,000,772,229.76/71,031.33
  6. Step 6: Final answer
    x = 56,324.05

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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.