Home / 64,293.20-96,670.20-54,155.60

Finding the Fourth Proportional to 64,293.20, 96,670.20 and 54,155.60

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Solution

The fourth proportional to 64,293.20, 96,670.20 and 54,155.60 is: 81,427.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,293.20 : 96,670.20 = 54,155.60 : x
  2. Step 2: Convert to fraction form
    64,293.20/96,670.20 = 54,155.60/x
  3. Step 3: Cross multiply
    64,293.20x = 96,670.20 × 54,155.60
  4. Step 4: Simplify right side
    64,293.20x = 5,235,232,683.12
  5. Step 5: Solve for x
    x = 5,235,232,683.12/64,293.20
  6. Step 6: Final answer
    x = 81,427.47

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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.