Home / 78,833.59-118,247.07-36,699.19

Finding the Fourth Proportional to 78,833.59, 118,247.07 and 36,699.19

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Solution

The fourth proportional to 78,833.59, 118,247.07 and 36,699.19 is: 55,047.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,833.59 : 118,247.07 = 36,699.19 : x
  2. Step 2: Convert to fraction form
    78,833.59/118,247.07 = 36,699.19/x
  3. Step 3: Cross multiply
    78,833.59x = 118,247.07 × 36,699.19
  4. Step 4: Simplify right side
    78,833.59x = 4,339,571,688.87
  5. Step 5: Solve for x
    x = 4,339,571,688.87/78,833.59
  6. Step 6: Final answer
    x = 55,047.24

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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.