Home / 67,307.74-92,885.05-38,625.12

Finding the Fourth Proportional to 67,307.74, 92,885.05 and 38,625.12

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Solution

The fourth proportional to 67,307.74, 92,885.05 and 38,625.12 is: 53,302.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,307.74 : 92,885.05 = 38,625.12 : x
  2. Step 2: Convert to fraction form
    67,307.74/92,885.05 = 38,625.12/x
  3. Step 3: Cross multiply
    67,307.74x = 92,885.05 × 38,625.12
  4. Step 4: Simplify right side
    67,307.74x = 3,587,696,105.89
  5. Step 5: Solve for x
    x = 3,587,696,105.89/67,307.74
  6. Step 6: Final answer
    x = 53,302.87

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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.