Home / 97,266.61-145,899.92-75,112.30

Finding the Fourth Proportional to 97,266.61, 145,899.92 and 75,112.30

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Solution

The fourth proportional to 97,266.61, 145,899.92 and 75,112.30 is: 112,668.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,266.61 : 145,899.92 = 75,112.30 : x
  2. Step 2: Convert to fraction form
    97,266.61/145,899.92 = 75,112.30/x
  3. Step 3: Cross multiply
    97,266.61x = 145,899.92 × 75,112.30
  4. Step 4: Simplify right side
    97,266.61x = 10,958,878,561.02
  5. Step 5: Solve for x
    x = 10,958,878,561.02/97,266.61
  6. Step 6: Final answer
    x = 112,668.45

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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.