Home / 58,618.08-87,865.14-19,164.60

Finding the Fourth Proportional to 58,618.08, 87,865.14 and 19,164.60

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Solution

The fourth proportional to 58,618.08, 87,865.14 and 19,164.60 is: 28,726.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,618.08 : 87,865.14 = 19,164.60 : x
  2. Step 2: Convert to fraction form
    58,618.08/87,865.14 = 19,164.60/x
  3. Step 3: Cross multiply
    58,618.08x = 87,865.14 × 19,164.60
  4. Step 4: Simplify right side
    58,618.08x = 1,683,900,262.04
  5. Step 5: Solve for x
    x = 1,683,900,262.04/58,618.08
  6. Step 6: Final answer
    x = 28,726.64

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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.