Home / 70,193.88-96,867-39,564.18

Finding the Fourth Proportional to 70,193.88, 96,867 and 39,564.18

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Solution

The fourth proportional to 70,193.88, 96,867 and 39,564.18 is: 54,598.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,193.88 : 96,867 = 39,564.18 : x
  2. Step 2: Convert to fraction form
    70,193.88/96,867 = 39,564.18/x
  3. Step 3: Cross multiply
    70,193.88x = 96,867 × 39,564.18
  4. Step 4: Simplify right side
    70,193.88x = 3,832,463,424.06
  5. Step 5: Solve for x
    x = 3,832,463,424.06/70,193.88
  6. Step 6: Final answer
    x = 54,598.26

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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.