Home / 74,875.82-103,291.34-44,639.86

Finding the Fourth Proportional to 74,875.82, 103,291.34 and 44,639.86

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Solution

The fourth proportional to 74,875.82, 103,291.34 and 44,639.86 is: 61,580.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,875.82 : 103,291.34 = 44,639.86 : x
  2. Step 2: Convert to fraction form
    74,875.82/103,291.34 = 44,639.86/x
  3. Step 3: Cross multiply
    74,875.82x = 103,291.34 × 44,639.86
  4. Step 4: Simplify right side
    74,875.82x = 4,610,910,956.81
  5. Step 5: Solve for x
    x = 4,610,910,956.81/74,875.82
  6. Step 6: Final answer
    x = 61,580.77

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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.