Home / 70,036.30-96,649.93-38,205.20

Finding the Fourth Proportional to 70,036.30, 96,649.93 and 38,205.20

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Solution

The fourth proportional to 70,036.30, 96,649.93 and 38,205.20 is: 52,723.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,036.30 : 96,649.93 = 38,205.20 : x
  2. Step 2: Convert to fraction form
    70,036.30/96,649.93 = 38,205.20/x
  3. Step 3: Cross multiply
    70,036.30x = 96,649.93 × 38,205.20
  4. Step 4: Simplify right side
    70,036.30x = 3,692,529,905.64
  5. Step 5: Solve for x
    x = 3,692,529,905.64/70,036.30
  6. Step 6: Final answer
    x = 52,723.09

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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.