Home / 54,515.65-75,186.58-38,436.54

Finding the Fourth Proportional to 54,515.65, 75,186.58 and 38,436.54

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Solution

The fourth proportional to 54,515.65, 75,186.58 and 38,436.54 is: 53,010.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,515.65 : 75,186.58 = 38,436.54 : x
  2. Step 2: Convert to fraction form
    54,515.65/75,186.58 = 38,436.54/x
  3. Step 3: Cross multiply
    54,515.65x = 75,186.58 × 38,436.54
  4. Step 4: Simplify right side
    54,515.65x = 2,889,911,989.63
  5. Step 5: Solve for x
    x = 2,889,911,989.63/54,515.65
  6. Step 6: Final answer
    x = 53,010.69

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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.