Home / 58,193.58-87,328.65-31,916.78

Finding the Fourth Proportional to 58,193.58, 87,328.65 and 31,916.78

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Solution

The fourth proportional to 58,193.58, 87,328.65 and 31,916.78 is: 47,896.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,193.58 : 87,328.65 = 31,916.78 : x
  2. Step 2: Convert to fraction form
    58,193.58/87,328.65 = 31,916.78/x
  3. Step 3: Cross multiply
    58,193.58x = 87,328.65 × 31,916.78
  4. Step 4: Simplify right side
    58,193.58x = 2,787,248,873.10
  5. Step 5: Solve for x
    x = 2,787,248,873.10/58,193.58
  6. Step 6: Final answer
    x = 47,896.16

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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.