Home / 105,812.64-158,719.12-26,926.64

Finding the Fourth Proportional to 105,812.64, 158,719.12 and 26,926.64

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Solution

The fourth proportional to 105,812.64, 158,719.12 and 26,926.64 is: 40,390.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,812.64 : 158,719.12 = 26,926.64 : x
  2. Step 2: Convert to fraction form
    105,812.64/158,719.12 = 26,926.64/x
  3. Step 3: Cross multiply
    105,812.64x = 158,719.12 × 26,926.64
  4. Step 4: Simplify right side
    105,812.64x = 4,273,772,605.36
  5. Step 5: Solve for x
    x = 4,273,772,605.36/105,812.64
  6. Step 6: Final answer
    x = 40,390.00

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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.