Home / 125,826.39-173,550.69-77,364.81

Finding the Fourth Proportional to 125,826.39, 173,550.69 and 77,364.81

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Solution

The fourth proportional to 125,826.39, 173,550.69 and 77,364.81 is: 106,708.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,826.39 : 173,550.69 = 77,364.81 : x
  2. Step 2: Convert to fraction form
    125,826.39/173,550.69 = 77,364.81/x
  3. Step 3: Cross multiply
    125,826.39x = 173,550.69 × 77,364.81
  4. Step 4: Simplify right side
    125,826.39x = 13,426,716,157.22
  5. Step 5: Solve for x
    x = 13,426,716,157.22/125,826.39
  6. Step 6: Final answer
    x = 106,708.27

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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.