Home / 55,851.14-77,080.66-31,985.66

Finding the Fourth Proportional to 55,851.14, 77,080.66 and 31,985.66

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Solution

The fourth proportional to 55,851.14, 77,080.66 and 31,985.66 is: 44,143.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,851.14 : 77,080.66 = 31,985.66 : x
  2. Step 2: Convert to fraction form
    55,851.14/77,080.66 = 31,985.66/x
  3. Step 3: Cross multiply
    55,851.14x = 77,080.66 × 31,985.66
  4. Step 4: Simplify right side
    55,851.14x = 2,465,475,783.34
  5. Step 5: Solve for x
    x = 2,465,475,783.34/55,851.14
  6. Step 6: Final answer
    x = 44,143.70

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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.