Home / 66,748.88-92,105.16-36,946.64

Finding the Fourth Proportional to 66,748.88, 92,105.16 and 36,946.64

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Solution

The fourth proportional to 66,748.88, 92,105.16 and 36,946.64 is: 50,981.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,748.88 : 92,105.16 = 36,946.64 : x
  2. Step 2: Convert to fraction form
    66,748.88/92,105.16 = 36,946.64/x
  3. Step 3: Cross multiply
    66,748.88x = 92,105.16 × 36,946.64
  4. Step 4: Simplify right side
    66,748.88x = 3,402,976,188.66
  5. Step 5: Solve for x
    x = 3,402,976,188.66/66,748.88
  6. Step 6: Final answer
    x = 50,981.77

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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.