Home / 76,868.64-106,062.52-46,669.84

Finding the Fourth Proportional to 76,868.64, 106,062.52 and 46,669.84

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Solution

The fourth proportional to 76,868.64, 106,062.52 and 46,669.84 is: 64,394.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,868.64 : 106,062.52 = 46,669.84 : x
  2. Step 2: Convert to fraction form
    76,868.64/106,062.52 = 46,669.84/x
  3. Step 3: Cross multiply
    76,868.64x = 106,062.52 × 46,669.84
  4. Step 4: Simplify right side
    76,868.64x = 4,949,920,838.40
  5. Step 5: Solve for x
    x = 4,949,920,838.40/76,868.64
  6. Step 6: Final answer
    x = 64,394.54

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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.