Home / 66,492.95-91,760.23-42,619.60

Finding the Fourth Proportional to 66,492.95, 91,760.23 and 42,619.60

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Solution

The fourth proportional to 66,492.95, 91,760.23 and 42,619.60 is: 58,815.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,492.95 : 91,760.23 = 42,619.60 : x
  2. Step 2: Convert to fraction form
    66,492.95/91,760.23 = 42,619.60/x
  3. Step 3: Cross multiply
    66,492.95x = 91,760.23 × 42,619.60
  4. Step 4: Simplify right side
    66,492.95x = 3,910,784,226.75
  5. Step 5: Solve for x
    x = 3,910,784,226.75/66,492.95
  6. Step 6: Final answer
    x = 58,815.02

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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.