Home / 70,410.07-97,164.39-38,578.29

Finding the Fourth Proportional to 70,410.07, 97,164.39 and 38,578.29

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Solution

The fourth proportional to 70,410.07, 97,164.39 and 38,578.29 is: 53,237.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,410.07 : 97,164.39 = 38,578.29 : x
  2. Step 2: Convert to fraction form
    70,410.07/97,164.39 = 38,578.29/x
  3. Step 3: Cross multiply
    70,410.07x = 97,164.39 × 38,578.29
  4. Step 4: Simplify right side
    70,410.07x = 3,748,436,015.09
  5. Step 5: Solve for x
    x = 3,748,436,015.09/70,410.07
  6. Step 6: Final answer
    x = 53,237.21

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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.