Home / 90,648.94-135,959.37-46,308.46

Finding the Fourth Proportional to 90,648.94, 135,959.37 and 46,308.46

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Solution

The fourth proportional to 90,648.94, 135,959.37 and 46,308.46 is: 69,455.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,648.94 : 135,959.37 = 46,308.46 : x
  2. Step 2: Convert to fraction form
    90,648.94/135,959.37 = 46,308.46/x
  3. Step 3: Cross multiply
    90,648.94x = 135,959.37 × 46,308.46
  4. Step 4: Simplify right side
    90,648.94x = 6,296,069,047.27
  5. Step 5: Solve for x
    x = 6,296,069,047.27/90,648.94
  6. Step 6: Final answer
    x = 69,455.52

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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.