Home / 74,346.63-102,585.11-42,081.09

Finding the Fourth Proportional to 74,346.63, 102,585.11 and 42,081.09

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Solution

The fourth proportional to 74,346.63, 102,585.11 and 42,081.09 is: 58,064.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,346.63 : 102,585.11 = 42,081.09 : x
  2. Step 2: Convert to fraction form
    74,346.63/102,585.11 = 42,081.09/x
  3. Step 3: Cross multiply
    74,346.63x = 102,585.11 × 42,081.09
  4. Step 4: Simplify right side
    74,346.63x = 4,316,893,246.57
  5. Step 5: Solve for x
    x = 4,316,893,246.57/74,346.63
  6. Step 6: Final answer
    x = 58,064.41

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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.