Home / 125,956.49-173,835.84-72,240.35

Finding the Fourth Proportional to 125,956.49, 173,835.84 and 72,240.35

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Solution

The fourth proportional to 125,956.49, 173,835.84 and 72,240.35 is: 99,700.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,956.49 : 173,835.84 = 72,240.35 : x
  2. Step 2: Convert to fraction form
    125,956.49/173,835.84 = 72,240.35/x
  3. Step 3: Cross multiply
    125,956.49x = 173,835.84 × 72,240.35
  4. Step 4: Simplify right side
    125,956.49x = 12,557,961,054.96
  5. Step 5: Solve for x
    x = 12,557,961,054.96/125,956.49
  6. Step 6: Final answer
    x = 99,700.79

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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.