Home / 113,955.03-170,815.89-57,690.81

Finding the Fourth Proportional to 113,955.03, 170,815.89 and 57,690.81

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Solution

The fourth proportional to 113,955.03, 170,815.89 and 57,690.81 is: 86,477.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,955.03 : 170,815.89 = 57,690.81 : x
  2. Step 2: Convert to fraction form
    113,955.03/170,815.89 = 57,690.81/x
  3. Step 3: Cross multiply
    113,955.03x = 170,815.89 × 57,690.81
  4. Step 4: Simplify right side
    113,955.03x = 9,854,507,054.97
  5. Step 5: Solve for x
    x = 9,854,507,054.97/113,955.03
  6. Step 6: Final answer
    x = 86,477.16

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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.