Home / 58,601.18-87,920.60-19,149.32

Finding the Fourth Proportional to 58,601.18, 87,920.60 and 19,149.32

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Solution

The fourth proportional to 58,601.18, 87,920.60 and 19,149.32 is: 28,730.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,601.18 : 87,920.60 = 19,149.32 : x
  2. Step 2: Convert to fraction form
    58,601.18/87,920.60 = 19,149.32/x
  3. Step 3: Cross multiply
    58,601.18x = 87,920.60 × 19,149.32
  4. Step 4: Simplify right side
    58,601.18x = 1,683,619,168.64
  5. Step 5: Solve for x
    x = 1,683,619,168.64/58,601.18
  6. Step 6: Final answer
    x = 28,730.13

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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.