Home / 66,774.02-92,156.67-38,479.91

Finding the Fourth Proportional to 66,774.02, 92,156.67 and 38,479.91

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Solution

The fourth proportional to 66,774.02, 92,156.67 and 38,479.91 is: 53,107.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,774.02 : 92,156.67 = 38,479.91 : x
  2. Step 2: Convert to fraction form
    66,774.02/92,156.67 = 38,479.91/x
  3. Step 3: Cross multiply
    66,774.02x = 92,156.67 × 38,479.91
  4. Step 4: Simplify right side
    66,774.02x = 3,546,179,906.72
  5. Step 5: Solve for x
    x = 3,546,179,906.72/66,774.02
  6. Step 6: Final answer
    x = 53,107.18

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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.