Home / 111,895.44-154,434.45-71,607.26

Finding the Fourth Proportional to 111,895.44, 154,434.45 and 71,607.26

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Solution

The fourth proportional to 111,895.44, 154,434.45 and 71,607.26 is: 98,830.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,895.44 : 154,434.45 = 71,607.26 : x
  2. Step 2: Convert to fraction form
    111,895.44/154,434.45 = 71,607.26/x
  3. Step 3: Cross multiply
    111,895.44x = 154,434.45 × 71,607.26
  4. Step 4: Simplify right side
    111,895.44x = 11,058,627,041.93
  5. Step 5: Solve for x
    x = 11,058,627,041.93/111,895.44
  6. Step 6: Final answer
    x = 98,830.01

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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.