Home / 58,117.32-87,184.20-18,661.23

Finding the Fourth Proportional to 58,117.32, 87,184.20 and 18,661.23

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Solution

The fourth proportional to 58,117.32, 87,184.20 and 18,661.23 is: 27,994.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,117.32 : 87,184.20 = 18,661.23 : x
  2. Step 2: Convert to fraction form
    58,117.32/87,184.20 = 18,661.23/x
  3. Step 3: Cross multiply
    58,117.32x = 87,184.20 × 18,661.23
  4. Step 4: Simplify right side
    58,117.32x = 1,626,964,408.57
  5. Step 5: Solve for x
    x = 1,626,964,408.57/58,117.32
  6. Step 6: Final answer
    x = 27,994.48

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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.