Home / 58,623.72-87,915.66-19,171.08

Finding the Fourth Proportional to 58,623.72, 87,915.66 and 19,171.08

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Solution

The fourth proportional to 58,623.72, 87,915.66 and 19,171.08 is: 28,750.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,623.72 : 87,915.66 = 19,171.08 : x
  2. Step 2: Convert to fraction form
    58,623.72/87,915.66 = 19,171.08/x
  3. Step 3: Cross multiply
    58,623.72x = 87,915.66 × 19,171.08
  4. Step 4: Simplify right side
    58,623.72x = 1,685,438,151.11
  5. Step 5: Solve for x
    x = 1,685,438,151.11/58,623.72
  6. Step 6: Final answer
    x = 28,750.11

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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.