Home / 85,041.45-127,573.90-28,866.47

Finding the Fourth Proportional to 85,041.45, 127,573.90 and 28,866.47

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Solution

The fourth proportional to 85,041.45, 127,573.90 and 28,866.47 is: 43,303.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,041.45 : 127,573.90 = 28,866.47 : x
  2. Step 2: Convert to fraction form
    85,041.45/127,573.90 = 28,866.47/x
  3. Step 3: Cross multiply
    85,041.45x = 127,573.90 × 28,866.47
  4. Step 4: Simplify right side
    85,041.45x = 3,682,608,403.90
  5. Step 5: Solve for x
    x = 3,682,608,403.90/85,041.45
  6. Step 6: Final answer
    x = 43,303.69

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1.5x scale

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.