Home / 99,647.67-149,271.03-49,575.90

Finding the Fourth Proportional to 99,647.67, 149,271.03 and 49,575.90

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Solution

The fourth proportional to 99,647.67, 149,271.03 and 49,575.90 is: 74,264.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,647.67 : 149,271.03 = 49,575.90 : x
  2. Step 2: Convert to fraction form
    99,647.67/149,271.03 = 49,575.90/x
  3. Step 3: Cross multiply
    99,647.67x = 149,271.03 × 49,575.90
  4. Step 4: Simplify right side
    99,647.67x = 7,400,245,656.18
  5. Step 5: Solve for x
    x = 7,400,245,656.18/99,647.67
  6. Step 6: Final answer
    x = 74,264.11

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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.