Home / 66,027.66-91,117.35-35,812.50

Finding the Fourth Proportional to 66,027.66, 91,117.35 and 35,812.50

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Solution

The fourth proportional to 66,027.66, 91,117.35 and 35,812.50 is: 49,420.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,027.66 : 91,117.35 = 35,812.50 : x
  2. Step 2: Convert to fraction form
    66,027.66/91,117.35 = 35,812.50/x
  3. Step 3: Cross multiply
    66,027.66x = 91,117.35 × 35,812.50
  4. Step 4: Simplify right side
    66,027.66x = 3,263,140,096.88
  5. Step 5: Solve for x
    x = 3,263,140,096.88/66,027.66
  6. Step 6: Final answer
    x = 49,420.80

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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.