Home / 48,307.12-66,662.40-27,087.28

Finding the Fourth Proportional to 48,307.12, 66,662.40 and 27,087.28

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Solution

The fourth proportional to 48,307.12, 66,662.40 and 27,087.28 is: 37,379.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,307.12 : 66,662.40 = 27,087.28 : x
  2. Step 2: Convert to fraction form
    48,307.12/66,662.40 = 27,087.28/x
  3. Step 3: Cross multiply
    48,307.12x = 66,662.40 × 27,087.28
  4. Step 4: Simplify right side
    48,307.12x = 1,805,703,094.27
  5. Step 5: Solve for x
    x = 1,805,703,094.27/48,307.12
  6. Step 6: Final answer
    x = 37,379.65

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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.