Home / 74,281.44-102,515.39-42,444.16

Finding the Fourth Proportional to 74,281.44, 102,515.39 and 42,444.16

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Solution

The fourth proportional to 74,281.44, 102,515.39 and 42,444.16 is: 58,576.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,281.44 : 102,515.39 = 42,444.16 : x
  2. Step 2: Convert to fraction form
    74,281.44/102,515.39 = 42,444.16/x
  3. Step 3: Cross multiply
    74,281.44x = 102,515.39 × 42,444.16
  4. Step 4: Simplify right side
    74,281.44x = 4,351,179,615.62
  5. Step 5: Solve for x
    x = 4,351,179,615.62/74,281.44
  6. Step 6: Final answer
    x = 58,576.94

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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.