Home / 105,615.12-158,458.02-34,541.04

Finding the Fourth Proportional to 105,615.12, 158,458.02 and 34,541.04

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Solution

The fourth proportional to 105,615.12, 158,458.02 and 34,541.04 is: 51,823.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,615.12 : 158,458.02 = 34,541.04 : x
  2. Step 2: Convert to fraction form
    105,615.12/158,458.02 = 34,541.04/x
  3. Step 3: Cross multiply
    105,615.12x = 158,458.02 × 34,541.04
  4. Step 4: Simplify right side
    105,615.12x = 5,473,304,807.14
  5. Step 5: Solve for x
    x = 5,473,304,807.14/105,615.12
  6. Step 6: Final answer
    x = 51,823.12

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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.