Home / 66,050.90-98,889.15-51,286.10

Finding the Fourth Proportional to 66,050.90, 98,889.15 and 51,286.10

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Solution

The fourth proportional to 66,050.90, 98,889.15 and 51,286.10 is: 76,783.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,050.90 : 98,889.15 = 51,286.10 : x
  2. Step 2: Convert to fraction form
    66,050.90/98,889.15 = 51,286.10/x
  3. Step 3: Cross multiply
    66,050.90x = 98,889.15 × 51,286.10
  4. Step 4: Simplify right side
    66,050.90x = 5,071,638,835.82
  5. Step 5: Solve for x
    x = 5,071,638,835.82/66,050.90
  6. Step 6: Final answer
    x = 76,783.80

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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.