Home / 53,715.12-74,040.72-36,482.16

Finding the Fourth Proportional to 53,715.12, 74,040.72 and 36,482.16

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Solution

The fourth proportional to 53,715.12, 74,040.72 and 36,482.16 is: 50,286.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,715.12 : 74,040.72 = 36,482.16 : x
  2. Step 2: Convert to fraction form
    53,715.12/74,040.72 = 36,482.16/x
  3. Step 3: Cross multiply
    53,715.12x = 74,040.72 × 36,482.16
  4. Step 4: Simplify right side
    53,715.12x = 2,701,165,393.56
  5. Step 5: Solve for x
    x = 2,701,165,393.56/53,715.12
  6. Step 6: Final answer
    x = 50,286.87

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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.