Home / 111,055.60-153,149.10-94,058.56

Finding the Fourth Proportional to 111,055.60, 153,149.10 and 94,058.56

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Solution

The fourth proportional to 111,055.60, 153,149.10 and 94,058.56 is: 129,709.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,055.60 : 153,149.10 = 94,058.56 : x
  2. Step 2: Convert to fraction form
    111,055.60/153,149.10 = 94,058.56/x
  3. Step 3: Cross multiply
    111,055.60x = 153,149.10 × 94,058.56
  4. Step 4: Simplify right side
    111,055.60x = 14,404,983,811.30
  5. Step 5: Solve for x
    x = 14,404,983,811.30/111,055.60
  6. Step 6: Final answer
    x = 129,709.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.