Home / 66,814.85-99,549.55-65,852.57

Finding the Fourth Proportional to 66,814.85, 99,549.55 and 65,852.57

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Solution

The fourth proportional to 66,814.85, 99,549.55 and 65,852.57 is: 98,115.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,814.85 : 99,549.55 = 65,852.57 : x
  2. Step 2: Convert to fraction form
    66,814.85/99,549.55 = 65,852.57/x
  3. Step 3: Cross multiply
    66,814.85x = 99,549.55 × 65,852.57
  4. Step 4: Simplify right side
    66,814.85x = 6,555,593,709.84
  5. Step 5: Solve for x
    x = 6,555,593,709.84/66,814.85
  6. Step 6: Final answer
    x = 98,115.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.