Home / 94,731.53-142,094.12-28,172.07

Finding the Fourth Proportional to 94,731.53, 142,094.12 and 28,172.07

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Solution

The fourth proportional to 94,731.53, 142,094.12 and 28,172.07 is: 42,257.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,731.53 : 142,094.12 = 28,172.07 : x
  2. Step 2: Convert to fraction form
    94,731.53/142,094.12 = 28,172.07/x
  3. Step 3: Cross multiply
    94,731.53x = 142,094.12 × 28,172.07
  4. Step 4: Simplify right side
    94,731.53x = 4,003,085,354.37
  5. Step 5: Solve for x
    x = 4,003,085,354.37/94,731.53
  6. Step 6: Final answer
    x = 42,257.16

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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.