Home / 64,280.16-96,420.24-22,172.31

Finding the Fourth Proportional to 64,280.16, 96,420.24 and 22,172.31

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Solution

The fourth proportional to 64,280.16, 96,420.24 and 22,172.31 is: 33,258.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,280.16 : 96,420.24 = 22,172.31 : x
  2. Step 2: Convert to fraction form
    64,280.16/96,420.24 = 22,172.31/x
  3. Step 3: Cross multiply
    64,280.16x = 96,420.24 × 22,172.31
  4. Step 4: Simplify right side
    64,280.16x = 2,137,859,451.55
  5. Step 5: Solve for x
    x = 2,137,859,451.55/64,280.16
  6. Step 6: Final answer
    x = 33,258.47

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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.