Home / 51,605.40-77,408.10-49,637.10

Finding the Fourth Proportional to 51,605.40, 77,408.10 and 49,637.10

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Solution

The fourth proportional to 51,605.40, 77,408.10 and 49,637.10 is: 74,455.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,605.40 : 77,408.10 = 49,637.10 : x
  2. Step 2: Convert to fraction form
    51,605.40/77,408.10 = 49,637.10/x
  3. Step 3: Cross multiply
    51,605.40x = 77,408.10 × 49,637.10
  4. Step 4: Simplify right side
    51,605.40x = 3,842,313,600.51
  5. Step 5: Solve for x
    x = 3,842,313,600.51/51,605.40
  6. Step 6: Final answer
    x = 74,455.65

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1.5x scale

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.