Home / 78,314.91-108,025.41-46,461.25

Finding the Fourth Proportional to 78,314.91, 108,025.41 and 46,461.25

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Solution

The fourth proportional to 78,314.91, 108,025.41 and 46,461.25 is: 64,087.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,314.91 : 108,025.41 = 46,461.25 : x
  2. Step 2: Convert to fraction form
    78,314.91/108,025.41 = 46,461.25/x
  3. Step 3: Cross multiply
    78,314.91x = 108,025.41 × 46,461.25
  4. Step 4: Simplify right side
    78,314.91x = 5,018,995,580.36
  5. Step 5: Solve for x
    x = 5,018,995,580.36/78,314.91
  6. Step 6: Final answer
    x = 64,087.36

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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.