Home / 115,754.46-173,685.72-40,931.28

Finding the Fourth Proportional to 115,754.46, 173,685.72 and 40,931.28

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Solution

The fourth proportional to 115,754.46, 173,685.72 and 40,931.28 is: 61,416.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,754.46 : 173,685.72 = 40,931.28 : x
  2. Step 2: Convert to fraction form
    115,754.46/173,685.72 = 40,931.28/x
  3. Step 3: Cross multiply
    115,754.46x = 173,685.72 × 40,931.28
  4. Step 4: Simplify right side
    115,754.46x = 7,109,178,837.32
  5. Step 5: Solve for x
    x = 7,109,178,837.32/115,754.46
  6. Step 6: Final answer
    x = 61,416.03

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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.