Home / 46,088.85-69,073.37-20,769.78

Finding the Fourth Proportional to 46,088.85, 69,073.37 and 20,769.78

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Solution

The fourth proportional to 46,088.85, 69,073.37 and 20,769.78 is: 31,127.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,088.85 : 69,073.37 = 20,769.78 : x
  2. Step 2: Convert to fraction form
    46,088.85/69,073.37 = 20,769.78/x
  3. Step 3: Cross multiply
    46,088.85x = 69,073.37 × 20,769.78
  4. Step 4: Simplify right side
    46,088.85x = 1,434,638,594.91
  5. Step 5: Solve for x
    x = 1,434,638,594.91/46,088.85
  6. Step 6: Final answer
    x = 31,127.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.