Home / 74,790.94-103,211.58-42,966.04

Finding the Fourth Proportional to 74,790.94, 103,211.58 and 42,966.04

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Solution

The fourth proportional to 74,790.94, 103,211.58 and 42,966.04 is: 59,293.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,790.94 : 103,211.58 = 42,966.04 : x
  2. Step 2: Convert to fraction form
    74,790.94/103,211.58 = 42,966.04/x
  3. Step 3: Cross multiply
    74,790.94x = 103,211.58 × 42,966.04
  4. Step 4: Simplify right side
    74,790.94x = 4,434,592,874.74
  5. Step 5: Solve for x
    x = 4,434,592,874.74/74,790.94
  6. Step 6: Final answer
    x = 59,293.18

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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.