Home / 62,981.23-86,918.03-34,686.91

Finding the Fourth Proportional to 62,981.23, 86,918.03 and 34,686.91

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Solution

The fourth proportional to 62,981.23, 86,918.03 and 34,686.91 is: 47,870.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,981.23 : 86,918.03 = 34,686.91 : x
  2. Step 2: Convert to fraction form
    62,981.23/86,918.03 = 34,686.91/x
  3. Step 3: Cross multiply
    62,981.23x = 86,918.03 × 34,686.91
  4. Step 4: Simplify right side
    62,981.23x = 3,014,917,883.99
  5. Step 5: Solve for x
    x = 3,014,917,883.99/62,981.23
  6. Step 6: Final answer
    x = 47,870.10

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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.