Home / 66,824.72-92,007.72-56,733.20

Finding the Fourth Proportional to 66,824.72, 92,007.72 and 56,733.20

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Solution

The fourth proportional to 66,824.72, 92,007.72 and 56,733.20 is: 78,113.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,824.72 : 92,007.72 = 56,733.20 : x
  2. Step 2: Convert to fraction form
    66,824.72/92,007.72 = 56,733.20/x
  3. Step 3: Cross multiply
    66,824.72x = 92,007.72 × 56,733.20
  4. Step 4: Simplify right side
    66,824.72x = 5,219,892,380.30
  5. Step 5: Solve for x
    x = 5,219,892,380.30/66,824.72
  6. Step 6: Final answer
    x = 78,113.19

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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.