Home / 56,390.20-84,585.30-51,206.20

Finding the Fourth Proportional to 56,390.20, 84,585.30 and 51,206.20

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Solution

The fourth proportional to 56,390.20, 84,585.30 and 51,206.20 is: 76,809.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,390.20 : 84,585.30 = 51,206.20 : x
  2. Step 2: Convert to fraction form
    56,390.20/84,585.30 = 51,206.20/x
  3. Step 3: Cross multiply
    56,390.20x = 84,585.30 × 51,206.20
  4. Step 4: Simplify right side
    56,390.20x = 4,331,291,788.86
  5. Step 5: Solve for x
    x = 4,331,291,788.86/56,390.20
  6. Step 6: Final answer
    x = 76,809.30

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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.