Home / 66,541.59-99,729.33-33,271.17

Finding the Fourth Proportional to 66,541.59, 99,729.33 and 33,271.17

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Solution

The fourth proportional to 66,541.59, 99,729.33 and 33,271.17 is: 49,865.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,541.59 : 99,729.33 = 33,271.17 : x
  2. Step 2: Convert to fraction form
    66,541.59/99,729.33 = 33,271.17/x
  3. Step 3: Cross multiply
    66,541.59x = 99,729.33 × 33,271.17
  4. Step 4: Simplify right side
    66,541.59x = 3,318,111,492.42
  5. Step 5: Solve for x
    x = 3,318,111,492.42/66,541.59
  6. Step 6: Final answer
    x = 49,865.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.