Home / 57,459.03-79,228.07-40,457.83

Finding the Fourth Proportional to 57,459.03, 79,228.07 and 40,457.83

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Solution

The fourth proportional to 57,459.03, 79,228.07 and 40,457.83 is: 55,785.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,459.03 : 79,228.07 = 40,457.83 : x
  2. Step 2: Convert to fraction form
    57,459.03/79,228.07 = 40,457.83/x
  3. Step 3: Cross multiply
    57,459.03x = 79,228.07 × 40,457.83
  4. Step 4: Simplify right side
    57,459.03x = 3,205,395,787.29
  5. Step 5: Solve for x
    x = 3,205,395,787.29/57,459.03
  6. Step 6: Final answer
    x = 55,785.76

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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.