Home / 74,790.51-112,122.84-34,789.17

Finding the Fourth Proportional to 74,790.51, 112,122.84 and 34,789.17

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Solution

The fourth proportional to 74,790.51, 112,122.84 and 34,789.17 is: 52,154.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,790.51 : 112,122.84 = 34,789.17 : x
  2. Step 2: Convert to fraction form
    74,790.51/112,122.84 = 34,789.17/x
  3. Step 3: Cross multiply
    74,790.51x = 112,122.84 × 34,789.17
  4. Step 4: Simplify right side
    74,790.51x = 3,900,660,541.64
  5. Step 5: Solve for x
    x = 3,900,660,541.64/74,790.51
  6. Step 6: Final answer
    x = 52,154.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.