Home / 70,281.18-96,987.92-38,450.21

Finding the Fourth Proportional to 70,281.18, 96,987.92 and 38,450.21

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Solution

The fourth proportional to 70,281.18, 96,987.92 and 38,450.21 is: 53,061.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,281.18 : 96,987.92 = 38,450.21 : x
  2. Step 2: Convert to fraction form
    70,281.18/96,987.92 = 38,450.21/x
  3. Step 3: Cross multiply
    70,281.18x = 96,987.92 × 38,450.21
  4. Step 4: Simplify right side
    70,281.18x = 3,729,205,214.27
  5. Step 5: Solve for x
    x = 3,729,205,214.27/70,281.18
  6. Step 6: Final answer
    x = 53,061.22

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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.