Home / 48,506.08-66,937.40-28,374.88

Finding the Fourth Proportional to 48,506.08, 66,937.40 and 28,374.88

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Solution

The fourth proportional to 48,506.08, 66,937.40 and 28,374.88 is: 39,156.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,506.08 : 66,937.40 = 28,374.88 : x
  2. Step 2: Convert to fraction form
    48,506.08/66,937.40 = 28,374.88/x
  3. Step 3: Cross multiply
    48,506.08x = 66,937.40 × 28,374.88
  4. Step 4: Simplify right side
    48,506.08x = 1,899,340,692.51
  5. Step 5: Solve for x
    x = 1,899,340,692.51/48,506.08
  6. Step 6: Final answer
    x = 39,156.76

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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.