Home / 59,916.08-89,879.16-20,475.92

Finding the Fourth Proportional to 59,916.08, 89,879.16 and 20,475.92

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Solution

The fourth proportional to 59,916.08, 89,879.16 and 20,475.92 is: 30,715.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,916.08 : 89,879.16 = 20,475.92 : x
  2. Step 2: Convert to fraction form
    59,916.08/89,879.16 = 20,475.92/x
  3. Step 3: Cross multiply
    59,916.08x = 89,879.16 × 20,475.92
  4. Step 4: Simplify right side
    59,916.08x = 1,840,358,489.83
  5. Step 5: Solve for x
    x = 1,840,358,489.83/59,916.08
  6. Step 6: Final answer
    x = 30,715.60

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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.