Home / 70,409.25-97,164.77-38,579.36

Finding the Fourth Proportional to 70,409.25, 97,164.77 and 38,579.36

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Solution

The fourth proportional to 70,409.25, 97,164.77 and 38,579.36 is: 53,239.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,409.25 : 97,164.77 = 38,579.36 : x
  2. Step 2: Convert to fraction form
    70,409.25/97,164.77 = 38,579.36/x
  3. Step 3: Cross multiply
    70,409.25x = 97,164.77 × 38,579.36
  4. Step 4: Simplify right side
    70,409.25x = 3,748,553,962.43
  5. Step 5: Solve for x
    x = 3,748,553,962.43/70,409.25
  6. Step 6: Final answer
    x = 53,239.51

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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.