Home / 68,423.40-94,425.75-42,930.74

Finding the Fourth Proportional to 68,423.40, 94,425.75 and 42,930.74

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Solution

The fourth proportional to 68,423.40, 94,425.75 and 42,930.74 is: 59,245.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,423.40 : 94,425.75 = 42,930.74 : x
  2. Step 2: Convert to fraction form
    68,423.40/94,425.75 = 42,930.74/x
  3. Step 3: Cross multiply
    68,423.40x = 94,425.75 × 42,930.74
  4. Step 4: Simplify right side
    68,423.40x = 4,053,767,558.62
  5. Step 5: Solve for x
    x = 4,053,767,558.62/68,423.40
  6. Step 6: Final answer
    x = 59,245.34

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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.