Home / 74,277.90-102,502.08-42,011.94

Finding the Fourth Proportional to 74,277.90, 102,502.08 and 42,011.94

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Solution

The fourth proportional to 74,277.90, 102,502.08 and 42,011.94 is: 57,975.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,277.90 : 102,502.08 = 42,011.94 : x
  2. Step 2: Convert to fraction form
    74,277.90/102,502.08 = 42,011.94/x
  3. Step 3: Cross multiply
    74,277.90x = 102,502.08 × 42,011.94
  4. Step 4: Simplify right side
    74,277.90x = 4,306,311,234.84
  5. Step 5: Solve for x
    x = 4,306,311,234.84/74,277.90
  6. Step 6: Final answer
    x = 57,975.67

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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.