Home / 70,160.05-96,825.33-39,948.01

Finding the Fourth Proportional to 70,160.05, 96,825.33 and 39,948.01

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Solution

The fourth proportional to 70,160.05, 96,825.33 and 39,948.01 is: 55,130.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,160.05 : 96,825.33 = 39,948.01 : x
  2. Step 2: Convert to fraction form
    70,160.05/96,825.33 = 39,948.01/x
  3. Step 3: Cross multiply
    70,160.05x = 96,825.33 × 39,948.01
  4. Step 4: Simplify right side
    70,160.05x = 3,867,979,372.12
  5. Step 5: Solve for x
    x = 3,867,979,372.12/70,160.05
  6. Step 6: Final answer
    x = 55,130.80

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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.