Home / 66,790.76-92,139.06-44,138.60

Finding the Fourth Proportional to 66,790.76, 92,139.06 and 44,138.60

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Solution

The fourth proportional to 66,790.76, 92,139.06 and 44,138.60 is: 60,890.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,790.76 : 92,139.06 = 44,138.60 : x
  2. Step 2: Convert to fraction form
    66,790.76/92,139.06 = 44,138.60/x
  3. Step 3: Cross multiply
    66,790.76x = 92,139.06 × 44,138.60
  4. Step 4: Simplify right side
    66,790.76x = 4,066,889,113.72
  5. Step 5: Solve for x
    x = 4,066,889,113.72/66,790.76
  6. Step 6: Final answer
    x = 60,890.00

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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.