Home / 92,849.94-128,130.93-50,408.10

Finding the Fourth Proportional to 92,849.94, 128,130.93 and 50,408.10

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Solution

The fourth proportional to 92,849.94, 128,130.93 and 50,408.10 is: 69,562.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,849.94 : 128,130.93 = 50,408.10 : x
  2. Step 2: Convert to fraction form
    92,849.94/128,130.93 = 50,408.10/x
  3. Step 3: Cross multiply
    92,849.94x = 128,130.93 × 50,408.10
  4. Step 4: Simplify right side
    92,849.94x = 6,458,836,732.53
  5. Step 5: Solve for x
    x = 6,458,836,732.53/92,849.94
  6. Step 6: Final answer
    x = 69,562.10

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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.