Home / 119,628.02-179,469.80-40,742.93

Finding the Fourth Proportional to 119,628.02, 179,469.80 and 40,742.93

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Solution

The fourth proportional to 119,628.02, 179,469.80 and 40,742.93 is: 61,123.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,628.02 : 179,469.80 = 40,742.93 : x
  2. Step 2: Convert to fraction form
    119,628.02/179,469.80 = 40,742.93/x
  3. Step 3: Cross multiply
    119,628.02x = 179,469.80 × 40,742.93
  4. Step 4: Simplify right side
    119,628.02x = 7,312,125,896.26
  5. Step 5: Solve for x
    x = 7,312,125,896.26/119,628.02
  6. Step 6: Final answer
    x = 61,123.85

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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.