Home / 97,710.10-146,499.45-38,515.30

Finding the Fourth Proportional to 97,710.10, 146,499.45 and 38,515.30

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Solution

The fourth proportional to 97,710.10, 146,499.45 and 38,515.30 is: 57,747.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,710.10 : 146,499.45 = 38,515.30 : x
  2. Step 2: Convert to fraction form
    97,710.10/146,499.45 = 38,515.30/x
  3. Step 3: Cross multiply
    97,710.10x = 146,499.45 × 38,515.30
  4. Step 4: Simplify right side
    97,710.10x = 5,642,470,266.59
  5. Step 5: Solve for x
    x = 5,642,470,266.59/97,710.10
  6. Step 6: Final answer
    x = 57,747.05

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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.