Home / 145,792.09-218,706.66-57,034.21

Finding the Fourth Proportional to 145,792.09, 218,706.66 and 57,034.21

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Solution

The fourth proportional to 145,792.09, 218,706.66 and 57,034.21 is: 85,558.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,792.09 : 218,706.66 = 57,034.21 : x
  2. Step 2: Convert to fraction form
    145,792.09/218,706.66 = 57,034.21/x
  3. Step 3: Cross multiply
    145,792.09x = 218,706.66 × 57,034.21
  4. Step 4: Simplify right side
    145,792.09x = 12,473,761,574.84
  5. Step 5: Solve for x
    x = 12,473,761,574.84/145,792.09
  6. Step 6: Final answer
    x = 85,558.56

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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.