Home / 70,068.08-96,685.44-39,857.24

Finding the Fourth Proportional to 70,068.08, 96,685.44 and 39,857.24

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Solution

The fourth proportional to 70,068.08, 96,685.44 and 39,857.24 is: 54,998.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,068.08 : 96,685.44 = 39,857.24 : x
  2. Step 2: Convert to fraction form
    70,068.08/96,685.44 = 39,857.24/x
  3. Step 3: Cross multiply
    70,068.08x = 96,685.44 × 39,857.24
  4. Step 4: Simplify right side
    70,068.08x = 3,853,614,786.59
  5. Step 5: Solve for x
    x = 3,853,614,786.59/70,068.08
  6. Step 6: Final answer
    x = 54,998.15

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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.