Home / 82,125.30-113,336.76-46,314.54

Finding the Fourth Proportional to 82,125.30, 113,336.76 and 46,314.54

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Solution

The fourth proportional to 82,125.30, 113,336.76 and 46,314.54 is: 63,916.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,125.30 : 113,336.76 = 46,314.54 : x
  2. Step 2: Convert to fraction form
    82,125.30/113,336.76 = 46,314.54/x
  3. Step 3: Cross multiply
    82,125.30x = 113,336.76 × 46,314.54
  4. Step 4: Simplify right side
    82,125.30x = 5,249,139,904.49
  5. Step 5: Solve for x
    x = 5,249,139,904.49/82,125.30
  6. Step 6: Final answer
    x = 63,916.23

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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.