Home / 56,627.30-84,890.73-28,510.58

Finding the Fourth Proportional to 56,627.30, 84,890.73 and 28,510.58

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Solution

The fourth proportional to 56,627.30, 84,890.73 and 28,510.58 is: 42,740.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,627.30 : 84,890.73 = 28,510.58 : x
  2. Step 2: Convert to fraction form
    56,627.30/84,890.73 = 28,510.58/x
  3. Step 3: Cross multiply
    56,627.30x = 84,890.73 × 28,510.58
  4. Step 4: Simplify right side
    56,627.30x = 2,420,283,948.92
  5. Step 5: Solve for x
    x = 2,420,283,948.92/56,627.30
  6. Step 6: Final answer
    x = 42,740.59

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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.