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Finding the Fourth Proportional to 64,043.60, 96,007.80 and 41,867.60

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Solution

The fourth proportional to 64,043.60, 96,007.80 and 41,867.60 is: 62,763.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,043.60 : 96,007.80 = 41,867.60 : x
  2. Step 2: Convert to fraction form
    64,043.60/96,007.80 = 41,867.60/x
  3. Step 3: Cross multiply
    64,043.60x = 96,007.80 × 41,867.60
  4. Step 4: Simplify right side
    64,043.60x = 4,019,616,167.28
  5. Step 5: Solve for x
    x = 4,019,616,167.28/64,043.60
  6. Step 6: Final answer
    x = 62,763.74

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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.