Home / 113,863.49-170,899.40-57,742.34

Finding the Fourth Proportional to 113,863.49, 170,899.40 and 57,742.34

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Solution

The fourth proportional to 113,863.49, 170,899.40 and 57,742.34 is: 86,666.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,863.49 : 170,899.40 = 57,742.34 : x
  2. Step 2: Convert to fraction form
    113,863.49/170,899.40 = 57,742.34/x
  3. Step 3: Cross multiply
    113,863.49x = 170,899.40 × 57,742.34
  4. Step 4: Simplify right side
    113,863.49x = 9,868,130,550.45
  5. Step 5: Solve for x
    x = 9,868,130,550.45/113,863.49
  6. Step 6: Final answer
    x = 86,666.33

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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.