Home / 82,130.86-113,342.22-46,313.88

Finding the Fourth Proportional to 82,130.86, 113,342.22 and 46,313.88

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Solution

The fourth proportional to 82,130.86, 113,342.22 and 46,313.88 is: 63,914.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,130.86 : 113,342.22 = 46,313.88 : x
  2. Step 2: Convert to fraction form
    82,130.86/113,342.22 = 46,313.88/x
  3. Step 3: Cross multiply
    82,130.86x = 113,342.22 × 46,313.88
  4. Step 4: Simplify right side
    82,130.86x = 5,249,317,550.98
  5. Step 5: Solve for x
    x = 5,249,317,550.98/82,130.86
  6. Step 6: Final answer
    x = 63,914.07

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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.