Home / 97,136.96-145,705.36-34,851.20

Finding the Fourth Proportional to 97,136.96, 145,705.36 and 34,851.20

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Solution

The fourth proportional to 97,136.96, 145,705.36 and 34,851.20 is: 52,276.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,136.96 : 145,705.36 = 34,851.20 : x
  2. Step 2: Convert to fraction form
    97,136.96/145,705.36 = 34,851.20/x
  3. Step 3: Cross multiply
    97,136.96x = 145,705.36 × 34,851.20
  4. Step 4: Simplify right side
    97,136.96x = 5,078,006,642.43
  5. Step 5: Solve for x
    x = 5,078,006,642.43/97,136.96
  6. Step 6: Final answer
    x = 52,276.77

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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.