Home / 70,018.30-96,621.40-39,799.42

Finding the Fourth Proportional to 70,018.30, 96,621.40 and 39,799.42

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Solution

The fourth proportional to 70,018.30, 96,621.40 and 39,799.42 is: 54,921.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,018.30 : 96,621.40 = 39,799.42 : x
  2. Step 2: Convert to fraction form
    70,018.30/96,621.40 = 39,799.42/x
  3. Step 3: Cross multiply
    70,018.30x = 96,621.40 × 39,799.42
  4. Step 4: Simplify right side
    70,018.30x = 3,845,475,679.59
  5. Step 5: Solve for x
    x = 3,845,475,679.59/70,018.30
  6. Step 6: Final answer
    x = 54,921.01

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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.