Home / 77,102.42-106,360.29-46,896.98

Finding the Fourth Proportional to 77,102.42, 106,360.29 and 46,896.98

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Solution

The fourth proportional to 77,102.42, 106,360.29 and 46,896.98 is: 64,692.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,102.42 : 106,360.29 = 46,896.98 : x
  2. Step 2: Convert to fraction form
    77,102.42/106,360.29 = 46,896.98/x
  3. Step 3: Cross multiply
    77,102.42x = 106,360.29 × 46,896.98
  4. Step 4: Simplify right side
    77,102.42x = 4,987,975,861.12
  5. Step 5: Solve for x
    x = 4,987,975,861.12/77,102.42
  6. Step 6: Final answer
    x = 64,692.86

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1.5x scale

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.