Home / 58,091.14-87,140.66-18,645.86

Finding the Fourth Proportional to 58,091.14, 87,140.66 and 18,645.86

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Solution

The fourth proportional to 58,091.14, 87,140.66 and 18,645.86 is: 27,970.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,091.14 : 87,140.66 = 18,645.86 : x
  2. Step 2: Convert to fraction form
    58,091.14/87,140.66 = 18,645.86/x
  3. Step 3: Cross multiply
    58,091.14x = 87,140.66 × 18,645.86
  4. Step 4: Simplify right side
    58,091.14x = 1,624,812,776.17
  5. Step 5: Solve for x
    x = 1,624,812,776.17/58,091.14
  6. Step 6: Final answer
    x = 27,970.06

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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.