Home / 76,017.02-113,468.84-67,039.16

Finding the Fourth Proportional to 76,017.02, 113,468.84 and 67,039.16

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Solution

The fourth proportional to 76,017.02, 113,468.84 and 67,039.16 is: 100,067.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,017.02 : 113,468.84 = 67,039.16 : x
  2. Step 2: Convert to fraction form
    76,017.02/113,468.84 = 67,039.16/x
  3. Step 3: Cross multiply
    76,017.02x = 113,468.84 × 67,039.16
  4. Step 4: Simplify right side
    76,017.02x = 7,606,855,719.77
  5. Step 5: Solve for x
    x = 7,606,855,719.77/76,017.02
  6. Step 6: Final answer
    x = 100,067.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.