Home / 66,211.02-99,360.24-31,153.41

Finding the Fourth Proportional to 66,211.02, 99,360.24 and 31,153.41

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Solution

The fourth proportional to 66,211.02, 99,360.24 and 31,153.41 is: 46,750.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,211.02 : 99,360.24 = 31,153.41 : x
  2. Step 2: Convert to fraction form
    66,211.02/99,360.24 = 31,153.41/x
  3. Step 3: Cross multiply
    66,211.02x = 99,360.24 × 31,153.41
  4. Step 4: Simplify right side
    66,211.02x = 3,095,410,294.42
  5. Step 5: Solve for x
    x = 3,095,410,294.42/66,211.02
  6. Step 6: Final answer
    x = 46,750.68

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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.