Home / 61,181.67-84,431.51-36,979.32

Finding the Fourth Proportional to 61,181.67, 84,431.51 and 36,979.32

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Solution

The fourth proportional to 61,181.67, 84,431.51 and 36,979.32 is: 51,031.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,181.67 : 84,431.51 = 36,979.32 : x
  2. Step 2: Convert to fraction form
    61,181.67/84,431.51 = 36,979.32/x
  3. Step 3: Cross multiply
    61,181.67x = 84,431.51 × 36,979.32
  4. Step 4: Simplify right side
    61,181.67x = 3,122,219,826.37
  5. Step 5: Solve for x
    x = 3,122,219,826.37/61,181.67
  6. Step 6: Final answer
    x = 51,031.95

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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.