Home / 58,981.20-88,228.80-53,790.72

Finding the Fourth Proportional to 58,981.20, 88,228.80 and 53,790.72

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Solution

The fourth proportional to 58,981.20, 88,228.80 and 53,790.72 is: 80,464.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,981.20 : 88,228.80 = 53,790.72 : x
  2. Step 2: Convert to fraction form
    58,981.20/88,228.80 = 53,790.72/x
  3. Step 3: Cross multiply
    58,981.20x = 88,228.80 × 53,790.72
  4. Step 4: Simplify right side
    58,981.20x = 4,745,890,676.74
  5. Step 5: Solve for x
    x = 4,745,890,676.74/58,981.20
  6. Step 6: Final answer
    x = 80,464.46

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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.