Home / 70,155.21-96,812.61-38,324.24

Finding the Fourth Proportional to 70,155.21, 96,812.61 and 38,324.24

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Solution

The fourth proportional to 70,155.21, 96,812.61 and 38,324.24 is: 52,886.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,155.21 : 96,812.61 = 38,324.24 : x
  2. Step 2: Convert to fraction form
    70,155.21/96,812.61 = 38,324.24/x
  3. Step 3: Cross multiply
    70,155.21x = 96,812.61 × 38,324.24
  4. Step 4: Simplify right side
    70,155.21x = 3,710,269,216.60
  5. Step 5: Solve for x
    x = 3,710,269,216.60/70,155.21
  6. Step 6: Final answer
    x = 52,886.58

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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.