Home / 104,739.35-157,088.74-40,697.38

Finding the Fourth Proportional to 104,739.35, 157,088.74 and 40,697.38

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Solution

The fourth proportional to 104,739.35, 157,088.74 and 40,697.38 is: 61,038.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,739.35 : 157,088.74 = 40,697.38 : x
  2. Step 2: Convert to fraction form
    104,739.35/157,088.74 = 40,697.38/x
  3. Step 3: Cross multiply
    104,739.35x = 157,088.74 × 40,697.38
  4. Step 4: Simplify right side
    104,739.35x = 6,393,100,145.50
  5. Step 5: Solve for x
    x = 6,393,100,145.50/104,739.35
  6. Step 6: Final answer
    x = 61,038.19

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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.