Home / 84,247.84-126,342.60-46,864.72

Finding the Fourth Proportional to 84,247.84, 126,342.60 and 46,864.72

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Solution

The fourth proportional to 84,247.84, 126,342.60 and 46,864.72 is: 70,280.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,247.84 : 126,342.60 = 46,864.72 : x
  2. Step 2: Convert to fraction form
    84,247.84/126,342.60 = 46,864.72/x
  3. Step 3: Cross multiply
    84,247.84x = 126,342.60 × 46,864.72
  4. Step 4: Simplify right side
    84,247.84x = 5,921,010,573.07
  5. Step 5: Solve for x
    x = 5,921,010,573.07/84,247.84
  6. Step 6: Final answer
    x = 70,280.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.