Home / 97,266.10-145,899.16-75,111.80

Finding the Fourth Proportional to 97,266.10, 145,899.16 and 75,111.80

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Solution

The fourth proportional to 97,266.10, 145,899.16 and 75,111.80 is: 112,667.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,266.10 : 145,899.16 = 75,111.80 : x
  2. Step 2: Convert to fraction form
    97,266.10/145,899.16 = 75,111.80/x
  3. Step 3: Cross multiply
    97,266.10x = 145,899.16 × 75,111.80
  4. Step 4: Simplify right side
    97,266.10x = 10,958,748,526.09
  5. Step 5: Solve for x
    x = 10,958,748,526.09/97,266.10
  6. Step 6: Final answer
    x = 112,667.71

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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.