Home / 115,605.36-173,398.93-36,720.27

Finding the Fourth Proportional to 115,605.36, 173,398.93 and 36,720.27

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Solution

The fourth proportional to 115,605.36, 173,398.93 and 36,720.27 is: 55,077.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,605.36 : 173,398.93 = 36,720.27 : x
  2. Step 2: Convert to fraction form
    115,605.36/173,398.93 = 36,720.27/x
  3. Step 3: Cross multiply
    115,605.36x = 173,398.93 × 36,720.27
  4. Step 4: Simplify right side
    115,605.36x = 6,367,255,435.51
  5. Step 5: Solve for x
    x = 6,367,255,435.51/115,605.36
  6. Step 6: Final answer
    x = 55,077.51

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1.5x scale

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.