Home / 76,846.12-106,046.34-43,312.36

Finding the Fourth Proportional to 76,846.12, 106,046.34 and 43,312.36

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Solution

The fourth proportional to 76,846.12, 106,046.34 and 43,312.36 is: 59,770.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,846.12 : 106,046.34 = 43,312.36 : x
  2. Step 2: Convert to fraction form
    76,846.12/106,046.34 = 43,312.36/x
  3. Step 3: Cross multiply
    76,846.12x = 106,046.34 × 43,312.36
  4. Step 4: Simplify right side
    76,846.12x = 4,593,117,254.76
  5. Step 5: Solve for x
    x = 4,593,117,254.76/76,846.12
  6. Step 6: Final answer
    x = 59,770.32

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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.