Home / 84,031.40-125,928.30-46,607.96

Finding the Fourth Proportional to 84,031.40, 125,928.30 and 46,607.96

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Solution

The fourth proportional to 84,031.40, 125,928.30 and 46,607.96 is: 69,846.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,031.40 : 125,928.30 = 46,607.96 : x
  2. Step 2: Convert to fraction form
    84,031.40/125,928.30 = 46,607.96/x
  3. Step 3: Cross multiply
    84,031.40x = 125,928.30 × 46,607.96
  4. Step 4: Simplify right side
    84,031.40x = 5,869,261,169.27
  5. Step 5: Solve for x
    x = 5,869,261,169.27/84,031.40
  6. Step 6: Final answer
    x = 69,846.05

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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.