Home / 66,814.49-92,205.48-38,133.57

Finding the Fourth Proportional to 66,814.49, 92,205.48 and 38,133.57

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Solution

The fourth proportional to 66,814.49, 92,205.48 and 38,133.57 is: 52,625.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,814.49 : 92,205.48 = 38,133.57 : x
  2. Step 2: Convert to fraction form
    66,814.49/92,205.48 = 38,133.57/x
  3. Step 3: Cross multiply
    66,814.49x = 92,205.48 × 38,133.57
  4. Step 4: Simplify right side
    66,814.49x = 3,516,124,125.96
  5. Step 5: Solve for x
    x = 3,516,124,125.96/66,814.49
  6. Step 6: Final answer
    x = 52,625.18

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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.