Home / 54,457.89-75,155.88-30,585.97

Finding the Fourth Proportional to 54,457.89, 75,155.88 and 30,585.97

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Solution

The fourth proportional to 54,457.89, 75,155.88 and 30,585.97 is: 42,210.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,457.89 : 75,155.88 = 30,585.97 : x
  2. Step 2: Convert to fraction form
    54,457.89/75,155.88 = 30,585.97/x
  3. Step 3: Cross multiply
    54,457.89x = 75,155.88 × 30,585.97
  4. Step 4: Simplify right side
    54,457.89x = 2,298,715,491.00
  5. Step 5: Solve for x
    x = 2,298,715,491.00/54,457.89
  6. Step 6: Final answer
    x = 42,210.88

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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.