Home / 58,055.23-87,071.82-20,613.79

Finding the Fourth Proportional to 58,055.23, 87,071.82 and 20,613.79

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Solution

The fourth proportional to 58,055.23, 87,071.82 and 20,613.79 is: 30,916.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,055.23 : 87,071.82 = 20,613.79 : x
  2. Step 2: Convert to fraction form
    58,055.23/87,071.82 = 20,613.79/x
  3. Step 3: Cross multiply
    58,055.23x = 87,071.82 × 20,613.79
  4. Step 4: Simplify right side
    58,055.23x = 1,794,880,212.40
  5. Step 5: Solve for x
    x = 1,794,880,212.40/58,055.23
  6. Step 6: Final answer
    x = 30,916.77

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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.