Home / 64,255.40-96,383.10-43,260.20

Finding the Fourth Proportional to 64,255.40, 96,383.10 and 43,260.20

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Solution

The fourth proportional to 64,255.40, 96,383.10 and 43,260.20 is: 64,890.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,255.40 : 96,383.10 = 43,260.20 : x
  2. Step 2: Convert to fraction form
    64,255.40/96,383.10 = 43,260.20/x
  3. Step 3: Cross multiply
    64,255.40x = 96,383.10 × 43,260.20
  4. Step 4: Simplify right side
    64,255.40x = 4,169,552,182.62
  5. Step 5: Solve for x
    x = 4,169,552,182.62/64,255.40
  6. Step 6: Final answer
    x = 64,890.30

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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.