Home / 48,186.88-66,435.95-31,161.08

Finding the Fourth Proportional to 48,186.88, 66,435.95 and 31,161.08

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Solution

The fourth proportional to 48,186.88, 66,435.95 and 31,161.08 is: 42,962.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,186.88 : 66,435.95 = 31,161.08 : x
  2. Step 2: Convert to fraction form
    48,186.88/66,435.95 = 31,161.08/x
  3. Step 3: Cross multiply
    48,186.88x = 66,435.95 × 31,161.08
  4. Step 4: Simplify right side
    48,186.88x = 2,070,216,196.82
  5. Step 5: Solve for x
    x = 2,070,216,196.82/48,186.88
  6. Step 6: Final answer
    x = 42,962.24

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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.