Home / 74,099.75-102,248.12-42,266.75

Finding the Fourth Proportional to 74,099.75, 102,248.12 and 42,266.75

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Solution

The fourth proportional to 74,099.75, 102,248.12 and 42,266.75 is: 58,322.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,099.75 : 102,248.12 = 42,266.75 : x
  2. Step 2: Convert to fraction form
    74,099.75/102,248.12 = 42,266.75/x
  3. Step 3: Cross multiply
    74,099.75x = 102,248.12 × 42,266.75
  4. Step 4: Simplify right side
    74,099.75x = 4,321,695,320.44
  5. Step 5: Solve for x
    x = 4,321,695,320.44/74,099.75
  6. Step 6: Final answer
    x = 58,322.67

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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.