Home / 107,024.58-147,692.43-61,702.65

Finding the Fourth Proportional to 107,024.58, 147,692.43 and 61,702.65

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Solution

The fourth proportional to 107,024.58, 147,692.43 and 61,702.65 is: 85,148.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,024.58 : 147,692.43 = 61,702.65 : x
  2. Step 2: Convert to fraction form
    107,024.58/147,692.43 = 61,702.65/x
  3. Step 3: Cross multiply
    107,024.58x = 147,692.43 × 61,702.65
  4. Step 4: Simplify right side
    107,024.58x = 9,113,014,315.94
  5. Step 5: Solve for x
    x = 9,113,014,315.94/107,024.58
  6. Step 6: Final answer
    x = 85,148.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.