Home / 104,979.68-157,376.28-40,923.06

Finding the Fourth Proportional to 104,979.68, 157,376.28 and 40,923.06

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Solution

The fourth proportional to 104,979.68, 157,376.28 and 40,923.06 is: 61,348.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,979.68 : 157,376.28 = 40,923.06 : x
  2. Step 2: Convert to fraction form
    104,979.68/157,376.28 = 40,923.06/x
  3. Step 3: Cross multiply
    104,979.68x = 157,376.28 × 40,923.06
  4. Step 4: Simplify right side
    104,979.68x = 6,440,319,102.48
  5. Step 5: Solve for x
    x = 6,440,319,102.48/104,979.68
  6. Step 6: Final answer
    x = 61,348.24

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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.