Home / 92,895.66-128,249.19-61,156.85

Finding the Fourth Proportional to 92,895.66, 128,249.19 and 61,156.85

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Solution

The fourth proportional to 92,895.66, 128,249.19 and 61,156.85 is: 84,431.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,895.66 : 128,249.19 = 61,156.85 : x
  2. Step 2: Convert to fraction form
    92,895.66/128,249.19 = 61,156.85/x
  3. Step 3: Cross multiply
    92,895.66x = 128,249.19 × 61,156.85
  4. Step 4: Simplify right side
    92,895.66x = 7,843,315,834.21
  5. Step 5: Solve for x
    x = 7,843,315,834.21/92,895.66
  6. Step 6: Final answer
    x = 84,431.46

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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.