Home / 98,835.18-148,271.40-39,675.48

Finding the Fourth Proportional to 98,835.18, 148,271.40 and 39,675.48

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Solution

The fourth proportional to 98,835.18, 148,271.40 and 39,675.48 is: 59,520.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,835.18 : 148,271.40 = 39,675.48 : x
  2. Step 2: Convert to fraction form
    98,835.18/148,271.40 = 39,675.48/x
  3. Step 3: Cross multiply
    98,835.18x = 148,271.40 × 39,675.48
  4. Step 4: Simplify right side
    98,835.18x = 5,882,738,965.27
  5. Step 5: Solve for x
    x = 5,882,738,965.27/98,835.18
  6. Step 6: Final answer
    x = 59,520.70

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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.