Home / 70,436.03-105,644.79-34,883.51

Finding the Fourth Proportional to 70,436.03, 105,644.79 and 34,883.51

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Solution

The fourth proportional to 70,436.03, 105,644.79 and 34,883.51 is: 52,320.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,436.03 : 105,644.79 = 34,883.51 : x
  2. Step 2: Convert to fraction form
    70,436.03/105,644.79 = 34,883.51/x
  3. Step 3: Cross multiply
    70,436.03x = 105,644.79 × 34,883.51
  4. Step 4: Simplify right side
    70,436.03x = 3,685,261,088.41
  5. Step 5: Solve for x
    x = 3,685,261,088.41/70,436.03
  6. Step 6: Final answer
    x = 52,320.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.