Home / 70,036.20-96,646.19-39,817.35

Finding the Fourth Proportional to 70,036.20, 96,646.19 and 39,817.35

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Solution

The fourth proportional to 70,036.20, 96,646.19 and 39,817.35 is: 54,945.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,036.20 : 96,646.19 = 39,817.35 : x
  2. Step 2: Convert to fraction form
    70,036.20/96,646.19 = 39,817.35/x
  3. Step 3: Cross multiply
    70,036.20x = 96,646.19 × 39,817.35
  4. Step 4: Simplify right side
    70,036.20x = 3,848,194,974.31
  5. Step 5: Solve for x
    x = 3,848,194,974.31/70,036.20
  6. Step 6: Final answer
    x = 54,945.80

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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.