Home / 58,435.29-87,542.78-28,818.45

Finding the Fourth Proportional to 58,435.29, 87,542.78 and 28,818.45

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Solution

The fourth proportional to 58,435.29, 87,542.78 and 28,818.45 is: 43,173.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,435.29 : 87,542.78 = 28,818.45 : x
  2. Step 2: Convert to fraction form
    58,435.29/87,542.78 = 28,818.45/x
  3. Step 3: Cross multiply
    58,435.29x = 87,542.78 × 28,818.45
  4. Step 4: Simplify right side
    58,435.29x = 2,522,847,084.20
  5. Step 5: Solve for x
    x = 2,522,847,084.20/58,435.29
  6. Step 6: Final answer
    x = 43,173.35

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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.