Home / 107,038.53-160,580.34-40,477.19

Finding the Fourth Proportional to 107,038.53, 160,580.34 and 40,477.19

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Solution

The fourth proportional to 107,038.53, 160,580.34 and 40,477.19 is: 60,724.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,038.53 : 160,580.34 = 40,477.19 : x
  2. Step 2: Convert to fraction form
    107,038.53/160,580.34 = 40,477.19/x
  3. Step 3: Cross multiply
    107,038.53x = 160,580.34 × 40,477.19
  4. Step 4: Simplify right side
    107,038.53x = 6,499,840,129.54
  5. Step 5: Solve for x
    x = 6,499,840,129.54/107,038.53
  6. Step 6: Final answer
    x = 60,724.30

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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.