Home / 68,218.48-94,141.65-39,543.67

Finding the Fourth Proportional to 68,218.48, 94,141.65 and 39,543.67

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Solution

The fourth proportional to 68,218.48, 94,141.65 and 39,543.67 is: 54,570.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,218.48 : 94,141.65 = 39,543.67 : x
  2. Step 2: Convert to fraction form
    68,218.48/94,141.65 = 39,543.67/x
  3. Step 3: Cross multiply
    68,218.48x = 94,141.65 × 39,543.67
  4. Step 4: Simplify right side
    68,218.48x = 3,722,706,340.86
  5. Step 5: Solve for x
    x = 3,722,706,340.86/68,218.48
  6. Step 6: Final answer
    x = 54,570.35

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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.