Home / 70,044.21-96,660.54-39,829.53

Finding the Fourth Proportional to 70,044.21, 96,660.54 and 39,829.53

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Solution

The fourth proportional to 70,044.21, 96,660.54 and 39,829.53 is: 54,964.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,044.21 : 96,660.54 = 39,829.53 : x
  2. Step 2: Convert to fraction form
    70,044.21/96,660.54 = 39,829.53/x
  3. Step 3: Cross multiply
    70,044.21x = 96,660.54 × 39,829.53
  4. Step 4: Simplify right side
    70,044.21x = 3,849,943,877.75
  5. Step 5: Solve for x
    x = 3,849,943,877.75/70,044.21
  6. Step 6: Final answer
    x = 54,964.48

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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.