Home / 70,203.08-96,886.02-39,997.88

Finding the Fourth Proportional to 70,203.08, 96,886.02 and 39,997.88

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Solution

The fourth proportional to 70,203.08, 96,886.02 and 39,997.88 is: 55,200.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,203.08 : 96,886.02 = 39,997.88 : x
  2. Step 2: Convert to fraction form
    70,203.08/96,886.02 = 39,997.88/x
  3. Step 3: Cross multiply
    70,203.08x = 96,886.02 × 39,997.88
  4. Step 4: Simplify right side
    70,203.08x = 3,875,235,401.64
  5. Step 5: Solve for x
    x = 3,875,235,401.64/70,203.08
  6. Step 6: Final answer
    x = 55,200.36

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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.