Home / 61,331.45-84,652.31-37,478.21

Finding the Fourth Proportional to 61,331.45, 84,652.31 and 37,478.21

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Solution

The fourth proportional to 61,331.45, 84,652.31 and 37,478.21 is: 51,729.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,331.45 : 84,652.31 = 37,478.21 : x
  2. Step 2: Convert to fraction form
    61,331.45/84,652.31 = 37,478.21/x
  3. Step 3: Cross multiply
    61,331.45x = 84,652.31 × 37,478.21
  4. Step 4: Simplify right side
    61,331.45x = 3,172,616,863.77
  5. Step 5: Solve for x
    x = 3,172,616,863.77/61,331.45
  6. Step 6: Final answer
    x = 51,729.04

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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.