Home / 62,398.83-86,148.54-40,615.86

Finding the Fourth Proportional to 62,398.83, 86,148.54 and 40,615.86

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Solution

The fourth proportional to 62,398.83, 86,148.54 and 40,615.86 is: 56,074.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,398.83 : 86,148.54 = 40,615.86 : x
  2. Step 2: Convert to fraction form
    62,398.83/86,148.54 = 40,615.86/x
  3. Step 3: Cross multiply
    62,398.83x = 86,148.54 × 40,615.86
  4. Step 4: Simplify right side
    62,398.83x = 3,498,997,039.84
  5. Step 5: Solve for x
    x = 3,498,997,039.84/62,398.83
  6. Step 6: Final answer
    x = 56,074.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.