Home / 85,394.49-128,077.22-23,050.41

Finding the Fourth Proportional to 85,394.49, 128,077.22 and 23,050.41

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Solution

The fourth proportional to 85,394.49, 128,077.22 and 23,050.41 is: 34,571.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,394.49 : 128,077.22 = 23,050.41 : x
  2. Step 2: Convert to fraction form
    85,394.49/128,077.22 = 23,050.41/x
  3. Step 3: Cross multiply
    85,394.49x = 128,077.22 × 23,050.41
  4. Step 4: Simplify right side
    85,394.49x = 2,952,232,317.41
  5. Step 5: Solve for x
    x = 2,952,232,317.41/85,394.49
  6. Step 6: Final answer
    x = 34,571.70

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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.