Home / 61,137.18-84,370.21-35,642.84

Finding the Fourth Proportional to 61,137.18, 84,370.21 and 35,642.84

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Solution

The fourth proportional to 61,137.18, 84,370.21 and 35,642.84 is: 49,187.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,137.18 : 84,370.21 = 35,642.84 : x
  2. Step 2: Convert to fraction form
    61,137.18/84,370.21 = 35,642.84/x
  3. Step 3: Cross multiply
    61,137.18x = 84,370.21 × 35,642.84
  4. Step 4: Simplify right side
    61,137.18x = 3,007,193,384.84
  5. Step 5: Solve for x
    x = 3,007,193,384.84/61,137.18
  6. Step 6: Final answer
    x = 49,187.64

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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.