Home / 75,140.08-103,694.59-41,148.03

Finding the Fourth Proportional to 75,140.08, 103,694.59 and 41,148.03

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Solution

The fourth proportional to 75,140.08, 103,694.59 and 41,148.03 is: 56,784.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,140.08 : 103,694.59 = 41,148.03 : x
  2. Step 2: Convert to fraction form
    75,140.08/103,694.59 = 41,148.03/x
  3. Step 3: Cross multiply
    75,140.08x = 103,694.59 × 41,148.03
  4. Step 4: Simplify right side
    75,140.08x = 4,266,828,100.16
  5. Step 5: Solve for x
    x = 4,266,828,100.16/75,140.08
  6. Step 6: Final answer
    x = 56,784.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.