Home / 65,386.85-98,140.41-50,690.21

Finding the Fourth Proportional to 65,386.85, 98,140.41 and 50,690.21

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Solution

The fourth proportional to 65,386.85, 98,140.41 and 50,690.21 is: 76,081.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,386.85 : 98,140.41 = 50,690.21 : x
  2. Step 2: Convert to fraction form
    65,386.85/98,140.41 = 50,690.21/x
  3. Step 3: Cross multiply
    65,386.85x = 98,140.41 × 50,690.21
  4. Step 4: Simplify right side
    65,386.85x = 4,974,757,501.68
  5. Step 5: Solve for x
    x = 4,974,757,501.68/65,386.85
  6. Step 6: Final answer
    x = 76,081.93

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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.