Home / 66,946.16-92,385.60-36,731.72

Finding the Fourth Proportional to 66,946.16, 92,385.60 and 36,731.72

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Solution

The fourth proportional to 66,946.16, 92,385.60 and 36,731.72 is: 50,689.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,946.16 : 92,385.60 = 36,731.72 : x
  2. Step 2: Convert to fraction form
    66,946.16/92,385.60 = 36,731.72/x
  3. Step 3: Cross multiply
    66,946.16x = 92,385.60 × 36,731.72
  4. Step 4: Simplify right side
    66,946.16x = 3,393,481,991.23
  5. Step 5: Solve for x
    x = 3,393,481,991.23/66,946.16
  6. Step 6: Final answer
    x = 50,689.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.