Home / 99,942.93-149,988.65-47,352.60

Finding the Fourth Proportional to 99,942.93, 149,988.65 and 47,352.60

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Solution

The fourth proportional to 99,942.93, 149,988.65 and 47,352.60 is: 71,064.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,942.93 : 149,988.65 = 47,352.60 : x
  2. Step 2: Convert to fraction form
    99,942.93/149,988.65 = 47,352.60/x
  3. Step 3: Cross multiply
    99,942.93x = 149,988.65 × 47,352.60
  4. Step 4: Simplify right side
    99,942.93x = 7,102,352,311.23
  5. Step 5: Solve for x
    x = 7,102,352,311.23/99,942.93
  6. Step 6: Final answer
    x = 71,064.08

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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.