Home / 66,381.99-99,569.33-26,928.51

Finding the Fourth Proportional to 66,381.99, 99,569.33 and 26,928.51

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Solution

The fourth proportional to 66,381.99, 99,569.33 and 26,928.51 is: 40,391.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,381.99 : 99,569.33 = 26,928.51 : x
  2. Step 2: Convert to fraction form
    66,381.99/99,569.33 = 26,928.51/x
  3. Step 3: Cross multiply
    66,381.99x = 99,569.33 × 26,928.51
  4. Step 4: Simplify right side
    66,381.99x = 2,681,253,698.60
  5. Step 5: Solve for x
    x = 2,681,253,698.60/66,381.99
  6. Step 6: Final answer
    x = 40,391.28

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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.