Home / 65,191.87-90,038.82-43,934.23

Finding the Fourth Proportional to 65,191.87, 90,038.82 and 43,934.23

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Solution

The fourth proportional to 65,191.87, 90,038.82 and 43,934.23 is: 60,679.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,191.87 : 90,038.82 = 43,934.23 : x
  2. Step 2: Convert to fraction form
    65,191.87/90,038.82 = 43,934.23/x
  3. Step 3: Cross multiply
    65,191.87x = 90,038.82 × 43,934.23
  4. Step 4: Simplify right side
    65,191.87x = 3,955,786,226.81
  5. Step 5: Solve for x
    x = 3,955,786,226.81/65,191.87
  6. Step 6: Final answer
    x = 60,679.13

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1.5x scale

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.