Home / 115,405.19-173,090.43-36,509.16

Finding the Fourth Proportional to 115,405.19, 173,090.43 and 36,509.16

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Solution

The fourth proportional to 115,405.19, 173,090.43 and 36,509.16 is: 54,758.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,405.19 : 173,090.43 = 36,509.16 : x
  2. Step 2: Convert to fraction form
    115,405.19/173,090.43 = 36,509.16/x
  3. Step 3: Cross multiply
    115,405.19x = 173,090.43 × 36,509.16
  4. Step 4: Simplify right side
    115,405.19x = 6,319,386,020.79
  5. Step 5: Solve for x
    x = 6,319,386,020.79/115,405.19
  6. Step 6: Final answer
    x = 54,758.25

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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.