Home / 65,868.07-90,950.33-60,830.45

Finding the Fourth Proportional to 65,868.07, 90,950.33 and 60,830.45

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Solution

The fourth proportional to 65,868.07, 90,950.33 and 60,830.45 is: 83,994.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,868.07 : 90,950.33 = 60,830.45 : x
  2. Step 2: Convert to fraction form
    65,868.07/90,950.33 = 60,830.45/x
  3. Step 3: Cross multiply
    65,868.07x = 90,950.33 × 60,830.45
  4. Step 4: Simplify right side
    65,868.07x = 5,532,549,198.87
  5. Step 5: Solve for x
    x = 5,532,549,198.87/65,868.07
  6. Step 6: Final answer
    x = 83,994.41

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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.