Home / 125,582.89-173,303.69-68,221.72

Finding the Fourth Proportional to 125,582.89, 173,303.69 and 68,221.72

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Solution

The fourth proportional to 125,582.89, 173,303.69 and 68,221.72 is: 94,145.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,582.89 : 173,303.69 = 68,221.72 : x
  2. Step 2: Convert to fraction form
    125,582.89/173,303.69 = 68,221.72/x
  3. Step 3: Cross multiply
    125,582.89x = 173,303.69 × 68,221.72
  4. Step 4: Simplify right side
    125,582.89x = 11,823,075,490.06
  5. Step 5: Solve for x
    x = 11,823,075,490.06/125,582.89
  6. Step 6: Final answer
    x = 94,145.59

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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.