Home / 113,792.03-170,688.08-38,912.87

Finding the Fourth Proportional to 113,792.03, 170,688.08 and 38,912.87

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Solution

The fourth proportional to 113,792.03, 170,688.08 and 38,912.87 is: 58,369.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,792.03 : 170,688.08 = 38,912.87 : x
  2. Step 2: Convert to fraction form
    113,792.03/170,688.08 = 38,912.87/x
  3. Step 3: Cross multiply
    113,792.03x = 170,688.08 × 38,912.87
  4. Step 4: Simplify right side
    113,792.03x = 6,641,963,164.87
  5. Step 5: Solve for x
    x = 6,641,963,164.87/113,792.03
  6. Step 6: Final answer
    x = 58,369.32

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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.