Home / 62,868.12-86,758.62-34,574

Finding the Fourth Proportional to 62,868.12, 86,758.62 and 34,574

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Solution

The fourth proportional to 62,868.12, 86,758.62 and 34,574 is: 47,712.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,868.12 : 86,758.62 = 34,574 : x
  2. Step 2: Convert to fraction form
    62,868.12/86,758.62 = 34,574/x
  3. Step 3: Cross multiply
    62,868.12x = 86,758.62 × 34,574
  4. Step 4: Simplify right side
    62,868.12x = 2,999,592,527.88
  5. Step 5: Solve for x
    x = 2,999,592,527.88/62,868.12
  6. Step 6: Final answer
    x = 47,712.46

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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.