Home / 90,515.52-135,634.68-46,075.68

Finding the Fourth Proportional to 90,515.52, 135,634.68 and 46,075.68

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Solution

The fourth proportional to 90,515.52, 135,634.68 and 46,075.68 is: 69,042.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,515.52 : 135,634.68 = 46,075.68 : x
  2. Step 2: Convert to fraction form
    90,515.52/135,634.68 = 46,075.68/x
  3. Step 3: Cross multiply
    90,515.52x = 135,634.68 × 46,075.68
  4. Step 4: Simplify right side
    90,515.52x = 6,249,460,112.58
  5. Step 5: Solve for x
    x = 6,249,460,112.58/90,515.52
  6. Step 6: Final answer
    x = 69,042.97

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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.