Home / 78,701.35-118,006.74-46,692.76

Finding the Fourth Proportional to 78,701.35, 118,006.74 and 46,692.76

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Solution

The fourth proportional to 78,701.35, 118,006.74 and 46,692.76 is: 70,012.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,701.35 : 118,006.74 = 46,692.76 : x
  2. Step 2: Convert to fraction form
    78,701.35/118,006.74 = 46,692.76/x
  3. Step 3: Cross multiply
    78,701.35x = 118,006.74 × 46,692.76
  4. Step 4: Simplify right side
    78,701.35x = 5,510,060,389.20
  5. Step 5: Solve for x
    x = 5,510,060,389.20/78,701.35
  6. Step 6: Final answer
    x = 70,012.27

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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.