Home / 57,080.40-78,802.62-34,425.15

Finding the Fourth Proportional to 57,080.40, 78,802.62 and 34,425.15

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Solution

The fourth proportional to 57,080.40, 78,802.62 and 34,425.15 is: 47,525.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,080.40 : 78,802.62 = 34,425.15 : x
  2. Step 2: Convert to fraction form
    57,080.40/78,802.62 = 34,425.15/x
  3. Step 3: Cross multiply
    57,080.40x = 78,802.62 × 34,425.15
  4. Step 4: Simplify right side
    57,080.40x = 2,712,792,013.89
  5. Step 5: Solve for x
    x = 2,712,792,013.89/57,080.40
  6. Step 6: Final answer
    x = 47,525.81

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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.