Home / 55,076.90-76,030.12-34,964.70

Finding the Fourth Proportional to 55,076.90, 76,030.12 and 34,964.70

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Solution

The fourth proportional to 55,076.90, 76,030.12 and 34,964.70 is: 48,266.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,076.90 : 76,030.12 = 34,964.70 : x
  2. Step 2: Convert to fraction form
    55,076.90/76,030.12 = 34,964.70/x
  3. Step 3: Cross multiply
    55,076.90x = 76,030.12 × 34,964.70
  4. Step 4: Simplify right side
    55,076.90x = 2,658,370,336.76
  5. Step 5: Solve for x
    x = 2,658,370,336.76/55,076.90
  6. Step 6: Final answer
    x = 48,266.52

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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.