Home / 82,136.20-113,368.61-46,346.86

Finding the Fourth Proportional to 82,136.20, 113,368.61 and 46,346.86

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Solution

The fourth proportional to 82,136.20, 113,368.61 and 46,346.86 is: 63,970.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,136.20 : 113,368.61 = 46,346.86 : x
  2. Step 2: Convert to fraction form
    82,136.20/113,368.61 = 46,346.86/x
  3. Step 3: Cross multiply
    82,136.20x = 113,368.61 × 46,346.86
  4. Step 4: Simplify right side
    82,136.20x = 5,254,279,034.79
  5. Step 5: Solve for x
    x = 5,254,279,034.79/82,136.20
  6. Step 6: Final answer
    x = 63,970.32

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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.