Home / 102,930.54-154,290.10-58,462.35

Finding the Fourth Proportional to 102,930.54, 154,290.10 and 58,462.35

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Solution

The fourth proportional to 102,930.54, 154,290.10 and 58,462.35 is: 87,633.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,930.54 : 154,290.10 = 58,462.35 : x
  2. Step 2: Convert to fraction form
    102,930.54/154,290.10 = 58,462.35/x
  3. Step 3: Cross multiply
    102,930.54x = 154,290.10 × 58,462.35
  4. Step 4: Simplify right side
    102,930.54x = 9,020,161,827.74
  5. Step 5: Solve for x
    x = 9,020,161,827.74/102,930.54
  6. Step 6: Final answer
    x = 87,633.48

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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.