Home / 78,070.10-117,107.39-24,762.32

Finding the Fourth Proportional to 78,070.10, 117,107.39 and 24,762.32

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Solution

The fourth proportional to 78,070.10, 117,107.39 and 24,762.32 is: 37,144.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,070.10 : 117,107.39 = 24,762.32 : x
  2. Step 2: Convert to fraction form
    78,070.10/117,107.39 = 24,762.32/x
  3. Step 3: Cross multiply
    78,070.10x = 117,107.39 × 24,762.32
  4. Step 4: Simplify right side
    78,070.10x = 2,899,850,665.54
  5. Step 5: Solve for x
    x = 2,899,850,665.54/78,070.10
  6. Step 6: Final answer
    x = 37,144.19

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1.5x scale

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.