Home / 62,981.48-86,918.38-34,687.16

Finding the Fourth Proportional to 62,981.48, 86,918.38 and 34,687.16

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Solution

The fourth proportional to 62,981.48, 86,918.38 and 34,687.16 is: 47,870.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,981.48 : 86,918.38 = 34,687.16 : x
  2. Step 2: Convert to fraction form
    62,981.48/86,918.38 = 34,687.16/x
  3. Step 3: Cross multiply
    62,981.48x = 86,918.38 × 34,687.16
  4. Step 4: Simplify right side
    62,981.48x = 3,014,951,754.00
  5. Step 5: Solve for x
    x = 3,014,951,754.00/62,981.48
  6. Step 6: Final answer
    x = 47,870.45

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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.