Home / 102,762.24-154,038.26-52,067.36

Finding the Fourth Proportional to 102,762.24, 154,038.26 and 52,067.36

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Solution

The fourth proportional to 102,762.24, 154,038.26 and 52,067.36 is: 78,047.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,762.24 : 154,038.26 = 52,067.36 : x
  2. Step 2: Convert to fraction form
    102,762.24/154,038.26 = 52,067.36/x
  3. Step 3: Cross multiply
    102,762.24x = 154,038.26 × 52,067.36
  4. Step 4: Simplify right side
    102,762.24x = 8,020,364,506.67
  5. Step 5: Solve for x
    x = 8,020,364,506.67/102,762.24
  6. Step 6: Final answer
    x = 78,047.78

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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.