Home / 98,361.06-147,548.10-28,240.98

Finding the Fourth Proportional to 98,361.06, 147,548.10 and 28,240.98

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Solution

The fourth proportional to 98,361.06, 147,548.10 and 28,240.98 is: 42,363.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,361.06 : 147,548.10 = 28,240.98 : x
  2. Step 2: Convert to fraction form
    98,361.06/147,548.10 = 28,240.98/x
  3. Step 3: Cross multiply
    98,361.06x = 147,548.10 × 28,240.98
  4. Step 4: Simplify right side
    98,361.06x = 4,166,902,941.14
  5. Step 5: Solve for x
    x = 4,166,902,941.14/98,361.06
  6. Step 6: Final answer
    x = 42,363.34

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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.