Home / 66,922.94-92,353.67-38,628.63

Finding the Fourth Proportional to 66,922.94, 92,353.67 and 38,628.63

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Solution

The fourth proportional to 66,922.94, 92,353.67 and 38,628.63 is: 53,307.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,922.94 : 92,353.67 = 38,628.63 : x
  2. Step 2: Convert to fraction form
    66,922.94/92,353.67 = 38,628.63/x
  3. Step 3: Cross multiply
    66,922.94x = 92,353.67 × 38,628.63
  4. Step 4: Simplify right side
    66,922.94x = 3,567,495,699.29
  5. Step 5: Solve for x
    x = 3,567,495,699.29/66,922.94
  6. Step 6: Final answer
    x = 53,307.51

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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.