Home / 68,862.02-95,031.48-38,649.22

Finding the Fourth Proportional to 68,862.02, 95,031.48 and 38,649.22

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Solution

The fourth proportional to 68,862.02, 95,031.48 and 38,649.22 is: 53,336.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,862.02 : 95,031.48 = 38,649.22 : x
  2. Step 2: Convert to fraction form
    68,862.02/95,031.48 = 38,649.22/x
  3. Step 3: Cross multiply
    68,862.02x = 95,031.48 × 38,649.22
  4. Step 4: Simplify right side
    68,862.02x = 3,672,892,577.45
  5. Step 5: Solve for x
    x = 3,672,892,577.45/68,862.02
  6. Step 6: Final answer
    x = 53,336.99

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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.