Home / 64,022.40-96,033.60-40,579.20

Finding the Fourth Proportional to 64,022.40, 96,033.60 and 40,579.20

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Solution

The fourth proportional to 64,022.40, 96,033.60 and 40,579.20 is: 60,868.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,022.40 : 96,033.60 = 40,579.20 : x
  2. Step 2: Convert to fraction form
    64,022.40/96,033.60 = 40,579.20/x
  3. Step 3: Cross multiply
    64,022.40x = 96,033.60 × 40,579.20
  4. Step 4: Simplify right side
    64,022.40x = 3,896,966,661.12
  5. Step 5: Solve for x
    x = 3,896,966,661.12/64,022.40
  6. Step 6: Final answer
    x = 60,868.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.