Home / 99,397.40-149,045.03-29,267.60

Finding the Fourth Proportional to 99,397.40, 149,045.03 and 29,267.60

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Solution

The fourth proportional to 99,397.40, 149,045.03 and 29,267.60 is: 43,886.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,397.40 : 149,045.03 = 29,267.60 : x
  2. Step 2: Convert to fraction form
    99,397.40/149,045.03 = 29,267.60/x
  3. Step 3: Cross multiply
    99,397.40x = 149,045.03 × 29,267.60
  4. Step 4: Simplify right side
    99,397.40x = 4,362,190,173.69
  5. Step 5: Solve for x
    x = 4,362,190,173.69/99,397.40
  6. Step 6: Final answer
    x = 43,886.36

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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.