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Finding the Fourth Proportional to 66,029.60, 92,616.40 and 66,029.60

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Solution

The fourth proportional to 66,029.60, 92,616.40 and 66,029.60 is: 92,616.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,029.60 : 92,616.40 = 66,029.60 : x
  2. Step 2: Convert to fraction form
    66,029.60/92,616.40 = 66,029.60/x
  3. Step 3: Cross multiply
    66,029.60x = 92,616.40 × 66,029.60
  4. Step 4: Simplify right side
    66,029.60x = 6,115,423,845.44
  5. Step 5: Solve for x
    x = 6,115,423,845.44/66,029.60
  6. Step 6: Final answer
    x = 92,616.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.