Home / 78,007.22-116,916.82-35,829.10

Finding the Fourth Proportional to 78,007.22, 116,916.82 and 35,829.10

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Solution

The fourth proportional to 78,007.22, 116,916.82 and 35,829.10 is: 53,700.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,007.22 : 116,916.82 = 35,829.10 : x
  2. Step 2: Convert to fraction form
    78,007.22/116,916.82 = 35,829.10/x
  3. Step 3: Cross multiply
    78,007.22x = 116,916.82 × 35,829.10
  4. Step 4: Simplify right side
    78,007.22x = 4,189,024,435.46
  5. Step 5: Solve for x
    x = 4,189,024,435.46/78,007.22
  6. Step 6: Final answer
    x = 53,700.47

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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.