Home / 54,303.55-74,886.39-38,165.65

Finding the Fourth Proportional to 54,303.55, 74,886.39 and 38,165.65

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Solution

The fourth proportional to 54,303.55, 74,886.39 and 38,165.65 is: 52,631.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,303.55 : 74,886.39 = 38,165.65 : x
  2. Step 2: Convert to fraction form
    54,303.55/74,886.39 = 38,165.65/x
  3. Step 3: Cross multiply
    54,303.55x = 74,886.39 × 38,165.65
  4. Step 4: Simplify right side
    54,303.55x = 2,858,087,563.29
  5. Step 5: Solve for x
    x = 2,858,087,563.29/54,303.55
  6. Step 6: Final answer
    x = 52,631.69

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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.