Home / 78,292.14-108,071.18-46,461.04

Finding the Fourth Proportional to 78,292.14, 108,071.18 and 46,461.04

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Solution

The fourth proportional to 78,292.14, 108,071.18 and 46,461.04 is: 64,132.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,292.14 : 108,071.18 = 46,461.04 : x
  2. Step 2: Convert to fraction form
    78,292.14/108,071.18 = 46,461.04/x
  3. Step 3: Cross multiply
    78,292.14x = 108,071.18 × 46,461.04
  4. Step 4: Simplify right side
    78,292.14x = 5,021,099,416.83
  5. Step 5: Solve for x
    x = 5,021,099,416.83/78,292.14
  6. Step 6: Final answer
    x = 64,132.87

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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.