Home / 115,290.64-172,941.27-35,322.88

Finding the Fourth Proportional to 115,290.64, 172,941.27 and 35,322.88

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Solution

The fourth proportional to 115,290.64, 172,941.27 and 35,322.88 is: 52,985.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,290.64 : 172,941.27 = 35,322.88 : x
  2. Step 2: Convert to fraction form
    115,290.64/172,941.27 = 35,322.88/x
  3. Step 3: Cross multiply
    115,290.64x = 172,941.27 × 35,322.88
  4. Step 4: Simplify right side
    115,290.64x = 6,108,783,727.26
  5. Step 5: Solve for x
    x = 6,108,783,727.26/115,290.64
  6. Step 6: Final answer
    x = 52,985.95

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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.