Home / 125,879.24-173,729.94-75,581.48

Finding the Fourth Proportional to 125,879.24, 173,729.94 and 75,581.48

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Solution

The fourth proportional to 125,879.24, 173,729.94 and 75,581.48 is: 104,312.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,879.24 : 173,729.94 = 75,581.48 : x
  2. Step 2: Convert to fraction form
    125,879.24/173,729.94 = 75,581.48/x
  3. Step 3: Cross multiply
    125,879.24x = 173,729.94 × 75,581.48
  4. Step 4: Simplify right side
    125,879.24x = 13,130,765,985.51
  5. Step 5: Solve for x
    x = 13,130,765,985.51/125,879.24
  6. Step 6: Final answer
    x = 104,312.40

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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.