Home / 63,075.78-94,631.49-18,702.42

Finding the Fourth Proportional to 63,075.78, 94,631.49 and 18,702.42

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Solution

The fourth proportional to 63,075.78, 94,631.49 and 18,702.42 is: 28,058.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,075.78 : 94,631.49 = 18,702.42 : x
  2. Step 2: Convert to fraction form
    63,075.78/94,631.49 = 18,702.42/x
  3. Step 3: Cross multiply
    63,075.78x = 94,631.49 × 18,702.42
  4. Step 4: Simplify right side
    63,075.78x = 1,769,837,871.21
  5. Step 5: Solve for x
    x = 1,769,837,871.21/63,075.78
  6. Step 6: Final answer
    x = 28,058.91

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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.