Home / 78,370.08-108,152.84-46,106.96

Finding the Fourth Proportional to 78,370.08, 108,152.84 and 46,106.96

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Solution

The fourth proportional to 78,370.08, 108,152.84 and 46,106.96 is: 63,628.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,370.08 : 108,152.84 = 46,106.96 : x
  2. Step 2: Convert to fraction form
    78,370.08/108,152.84 = 46,106.96/x
  3. Step 3: Cross multiply
    78,370.08x = 108,152.84 × 46,106.96
  4. Step 4: Simplify right side
    78,370.08x = 4,986,598,667.77
  5. Step 5: Solve for x
    x = 4,986,598,667.77/78,370.08
  6. Step 6: Final answer
    x = 63,628.86

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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.