Home / 105,395.19-158,093.05-43,065.69

Finding the Fourth Proportional to 105,395.19, 158,093.05 and 43,065.69

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Solution

The fourth proportional to 105,395.19, 158,093.05 and 43,065.69 is: 64,598.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,395.19 : 158,093.05 = 43,065.69 : x
  2. Step 2: Convert to fraction form
    105,395.19/158,093.05 = 43,065.69/x
  3. Step 3: Cross multiply
    105,395.19x = 158,093.05 × 43,065.69
  4. Step 4: Simplify right side
    105,395.19x = 6,808,386,282.45
  5. Step 5: Solve for x
    x = 6,808,386,282.45/105,395.19
  6. Step 6: Final answer
    x = 64,598.64

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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.