Home / 102,031.16-153,047.10-30,954.41

Finding the Fourth Proportional to 102,031.16, 153,047.10 and 30,954.41

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Solution

The fourth proportional to 102,031.16, 153,047.10 and 30,954.41 is: 46,431.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,031.16 : 153,047.10 = 30,954.41 : x
  2. Step 2: Convert to fraction form
    102,031.16/153,047.10 = 30,954.41/x
  3. Step 3: Cross multiply
    102,031.16x = 153,047.10 × 30,954.41
  4. Step 4: Simplify right side
    102,031.16x = 4,737,481,917.48
  5. Step 5: Solve for x
    x = 4,737,481,917.48/102,031.16
  6. Step 6: Final answer
    x = 46,431.72

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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.