Home / 66,868.77-92,278.73-40,011.27

Finding the Fourth Proportional to 66,868.77, 92,278.73 and 40,011.27

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Solution

The fourth proportional to 66,868.77, 92,278.73 and 40,011.27 is: 55,215.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,868.77 : 92,278.73 = 40,011.27 : x
  2. Step 2: Convert to fraction form
    66,868.77/92,278.73 = 40,011.27/x
  3. Step 3: Cross multiply
    66,868.77x = 92,278.73 × 40,011.27
  4. Step 4: Simplify right side
    66,868.77x = 3,692,189,454.34
  5. Step 5: Solve for x
    x = 3,692,189,454.34/66,868.77
  6. Step 6: Final answer
    x = 55,215.45

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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.