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Finding the Fourth Proportional to 66,856.64, 92,245.92 and 37,048.64

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Solution

The fourth proportional to 66,856.64, 92,245.92 and 37,048.64 is: 51,118.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,856.64 : 92,245.92 = 37,048.64 : x
  2. Step 2: Convert to fraction form
    66,856.64/92,245.92 = 37,048.64/x
  3. Step 3: Cross multiply
    66,856.64x = 92,245.92 × 37,048.64
  4. Step 4: Simplify right side
    66,856.64x = 3,417,585,881.55
  5. Step 5: Solve for x
    x = 3,417,585,881.55/66,856.64
  6. Step 6: Final answer
    x = 51,118.12

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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.