Home / 53,669.49-80,532.59-38,999.67

Finding the Fourth Proportional to 53,669.49, 80,532.59 and 38,999.67

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Solution

The fourth proportional to 53,669.49, 80,532.59 and 38,999.67 is: 58,520.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,669.49 : 80,532.59 = 38,999.67 : x
  2. Step 2: Convert to fraction form
    53,669.49/80,532.59 = 38,999.67/x
  3. Step 3: Cross multiply
    53,669.49x = 80,532.59 × 38,999.67
  4. Step 4: Simplify right side
    53,669.49x = 3,140,744,434.25
  5. Step 5: Solve for x
    x = 3,140,744,434.25/53,669.49
  6. Step 6: Final answer
    x = 58,520.11

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1.5x scale

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.