Home / 54,275.58-74,899.86-30,402.48

Finding the Fourth Proportional to 54,275.58, 74,899.86 and 30,402.48

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Solution

The fourth proportional to 54,275.58, 74,899.86 and 30,402.48 is: 41,955.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,275.58 : 74,899.86 = 30,402.48 : x
  2. Step 2: Convert to fraction form
    54,275.58/74,899.86 = 30,402.48/x
  3. Step 3: Cross multiply
    54,275.58x = 74,899.86 × 30,402.48
  4. Step 4: Simplify right side
    54,275.58x = 2,277,141,495.65
  5. Step 5: Solve for x
    x = 2,277,141,495.65/54,275.58
  6. Step 6: Final answer
    x = 41,955.18

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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.