Home / 72,576.33-100,161.96-42,376.29

Finding the Fourth Proportional to 72,576.33, 100,161.96 and 42,376.29

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Solution

The fourth proportional to 72,576.33, 100,161.96 and 42,376.29 is: 58,483.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,576.33 : 100,161.96 = 42,376.29 : x
  2. Step 2: Convert to fraction form
    72,576.33/100,161.96 = 42,376.29/x
  3. Step 3: Cross multiply
    72,576.33x = 100,161.96 × 42,376.29
  4. Step 4: Simplify right side
    72,576.33x = 4,244,492,263.93
  5. Step 5: Solve for x
    x = 4,244,492,263.93/72,576.33
  6. Step 6: Final answer
    x = 58,483.15

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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.