Home / 68,316.40-94,283.88-40,045.84

Finding the Fourth Proportional to 68,316.40, 94,283.88 and 40,045.84

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Solution

The fourth proportional to 68,316.40, 94,283.88 and 40,045.84 is: 55,267.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,316.40 : 94,283.88 = 40,045.84 : x
  2. Step 2: Convert to fraction form
    68,316.40/94,283.88 = 40,045.84/x
  3. Step 3: Cross multiply
    68,316.40x = 94,283.88 × 40,045.84
  4. Step 4: Simplify right side
    68,316.40x = 3,775,677,173.06
  5. Step 5: Solve for x
    x = 3,775,677,173.06/68,316.40
  6. Step 6: Final answer
    x = 55,267.51

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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.