Home / 58,355.20-87,532.80-28,830.70

Finding the Fourth Proportional to 58,355.20, 87,532.80 and 28,830.70

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Solution

The fourth proportional to 58,355.20, 87,532.80 and 28,830.70 is: 43,246.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,355.20 : 87,532.80 = 28,830.70 : x
  2. Step 2: Convert to fraction form
    58,355.20/87,532.80 = 28,830.70/x
  3. Step 3: Cross multiply
    58,355.20x = 87,532.80 × 28,830.70
  4. Step 4: Simplify right side
    58,355.20x = 2,523,631,896.96
  5. Step 5: Solve for x
    x = 2,523,631,896.96/58,355.20
  6. Step 6: Final answer
    x = 43,246.05

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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.