Home / 127,555.46-191,325.44-47,578.01

Finding the Fourth Proportional to 127,555.46, 191,325.44 and 47,578.01

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Solution

The fourth proportional to 127,555.46, 191,325.44 and 47,578.01 is: 71,364.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,555.46 : 191,325.44 = 47,578.01 : x
  2. Step 2: Convert to fraction form
    127,555.46/191,325.44 = 47,578.01/x
  3. Step 3: Cross multiply
    127,555.46x = 191,325.44 × 47,578.01
  4. Step 4: Simplify right side
    127,555.46x = 9,102,883,697.57
  5. Step 5: Solve for x
    x = 9,102,883,697.57/127,555.46
  6. Step 6: Final answer
    x = 71,364.12

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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.