Home / 76,067.47-104,970.90-42,077.32

Finding the Fourth Proportional to 76,067.47, 104,970.90 and 42,077.32

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Solution

The fourth proportional to 76,067.47, 104,970.90 and 42,077.32 is: 58,065.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,067.47 : 104,970.90 = 42,077.32 : x
  2. Step 2: Convert to fraction form
    76,067.47/104,970.90 = 42,077.32/x
  3. Step 3: Cross multiply
    76,067.47x = 104,970.90 × 42,077.32
  4. Step 4: Simplify right side
    76,067.47x = 4,416,894,149.99
  5. Step 5: Solve for x
    x = 4,416,894,149.99/76,067.47
  6. Step 6: Final answer
    x = 58,065.48

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1.5x scale

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.