Home / 53,790.84-74,235.96-29,919.06

Finding the Fourth Proportional to 53,790.84, 74,235.96 and 29,919.06

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Solution

The fourth proportional to 53,790.84, 74,235.96 and 29,919.06 is: 41,290.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,790.84 : 74,235.96 = 29,919.06 : x
  2. Step 2: Convert to fraction form
    53,790.84/74,235.96 = 29,919.06/x
  3. Step 3: Cross multiply
    53,790.84x = 74,235.96 × 29,919.06
  4. Step 4: Simplify right side
    53,790.84x = 2,221,070,141.40
  5. Step 5: Solve for x
    x = 2,221,070,141.40/53,790.84
  6. Step 6: Final answer
    x = 41,290.86

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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.