Home / 70,204.08-96,887.40-39,998.88

Finding the Fourth Proportional to 70,204.08, 96,887.40 and 39,998.88

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Solution

The fourth proportional to 70,204.08, 96,887.40 and 39,998.88 is: 55,201.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,204.08 : 96,887.40 = 39,998.88 : x
  2. Step 2: Convert to fraction form
    70,204.08/96,887.40 = 39,998.88/x
  3. Step 3: Cross multiply
    70,204.08x = 96,887.40 × 39,998.88
  4. Step 4: Simplify right side
    70,204.08x = 3,875,387,486.11
  5. Step 5: Solve for x
    x = 3,875,387,486.11/70,204.08
  6. Step 6: Final answer
    x = 55,201.74

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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.