Home / 68,211.48-94,132.02-39,536.67

Finding the Fourth Proportional to 68,211.48, 94,132.02 and 39,536.67

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Solution

The fourth proportional to 68,211.48, 94,132.02 and 39,536.67 is: 54,560.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,211.48 : 94,132.02 = 39,536.67 : x
  2. Step 2: Convert to fraction form
    68,211.48/94,132.02 = 39,536.67/x
  3. Step 3: Cross multiply
    68,211.48x = 94,132.02 × 39,536.67
  4. Step 4: Simplify right side
    68,211.48x = 3,721,666,611.17
  5. Step 5: Solve for x
    x = 3,721,666,611.17/68,211.48
  6. Step 6: Final answer
    x = 54,560.71

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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.