Home / 66,222.50-99,268.14-31,099.28

Finding the Fourth Proportional to 66,222.50, 99,268.14 and 31,099.28

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Solution

The fourth proportional to 66,222.50, 99,268.14 and 31,099.28 is: 46,618.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,222.50 : 99,268.14 = 31,099.28 : x
  2. Step 2: Convert to fraction form
    66,222.50/99,268.14 = 31,099.28/x
  3. Step 3: Cross multiply
    66,222.50x = 99,268.14 × 31,099.28
  4. Step 4: Simplify right side
    66,222.50x = 3,087,167,680.94
  5. Step 5: Solve for x
    x = 3,087,167,680.94/66,222.50
  6. Step 6: Final answer
    x = 46,618.11

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1.5x scale

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.