Home / 81,000.41-111,776.96-47,006.22

Finding the Fourth Proportional to 81,000.41, 111,776.96 and 47,006.22

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Solution

The fourth proportional to 81,000.41, 111,776.96 and 47,006.22 is: 64,866.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,000.41 : 111,776.96 = 47,006.22 : x
  2. Step 2: Convert to fraction form
    81,000.41/111,776.96 = 47,006.22/x
  3. Step 3: Cross multiply
    81,000.41x = 111,776.96 × 47,006.22
  4. Step 4: Simplify right side
    81,000.41x = 5,254,212,909.37
  5. Step 5: Solve for x
    x = 5,254,212,909.37/81,000.41
  6. Step 6: Final answer
    x = 64,866.50

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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.