Home / 75,605.40-104,291.55-45,373.37

Finding the Fourth Proportional to 75,605.40, 104,291.55 and 45,373.37

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Solution

The fourth proportional to 75,605.40, 104,291.55 and 45,373.37 is: 62,588.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,605.40 : 104,291.55 = 45,373.37 : x
  2. Step 2: Convert to fraction form
    75,605.40/104,291.55 = 45,373.37/x
  3. Step 3: Cross multiply
    75,605.40x = 104,291.55 × 45,373.37
  4. Step 4: Simplify right side
    75,605.40x = 4,732,058,564.57
  5. Step 5: Solve for x
    x = 4,732,058,564.57/75,605.40
  6. Step 6: Final answer
    x = 62,588.90

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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.