Home / 82,601.53-124,457.57-74,712.83

Finding the Fourth Proportional to 82,601.53, 124,457.57 and 74,712.83

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Solution

The fourth proportional to 82,601.53, 124,457.57 and 74,712.83 is: 112,571.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,601.53 : 124,457.57 = 74,712.83 : x
  2. Step 2: Convert to fraction form
    82,601.53/124,457.57 = 74,712.83/x
  3. Step 3: Cross multiply
    82,601.53x = 124,457.57 × 74,712.83
  4. Step 4: Simplify right side
    82,601.53x = 9,298,577,269.62
  5. Step 5: Solve for x
    x = 9,298,577,269.62/82,601.53
  6. Step 6: Final answer
    x = 112,571.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.