Home / 102,017.78-153,038.06-27,140.82

Finding the Fourth Proportional to 102,017.78, 153,038.06 and 27,140.82

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Solution

The fourth proportional to 102,017.78, 153,038.06 and 27,140.82 is: 40,714.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,017.78 : 153,038.06 = 27,140.82 : x
  2. Step 2: Convert to fraction form
    102,017.78/153,038.06 = 27,140.82/x
  3. Step 3: Cross multiply
    102,017.78x = 153,038.06 × 27,140.82
  4. Step 4: Simplify right side
    102,017.78x = 4,153,578,692.63
  5. Step 5: Solve for x
    x = 4,153,578,692.63/102,017.78
  6. Step 6: Final answer
    x = 40,714.26

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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.