Home / 119,621.07-179,459.40-40,735.98

Finding the Fourth Proportional to 119,621.07, 179,459.40 and 40,735.98

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Solution

The fourth proportional to 119,621.07, 179,459.40 and 40,735.98 is: 61,113.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,621.07 : 179,459.40 = 40,735.98 : x
  2. Step 2: Convert to fraction form
    119,621.07/179,459.40 = 40,735.98/x
  3. Step 3: Cross multiply
    119,621.07x = 179,459.40 × 40,735.98
  4. Step 4: Simplify right side
    119,621.07x = 7,310,454,529.21
  5. Step 5: Solve for x
    x = 7,310,454,529.21/119,621.07
  6. Step 6: Final answer
    x = 61,113.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.