Home / 90,798.21-136,323.68-46,455.57

Finding the Fourth Proportional to 90,798.21, 136,323.68 and 46,455.57

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Solution

The fourth proportional to 90,798.21, 136,323.68 and 46,455.57 is: 69,748.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,798.21 : 136,323.68 = 46,455.57 : x
  2. Step 2: Convert to fraction form
    90,798.21/136,323.68 = 46,455.57/x
  3. Step 3: Cross multiply
    90,798.21x = 136,323.68 × 46,455.57
  4. Step 4: Simplify right side
    90,798.21x = 6,332,994,026.62
  5. Step 5: Solve for x
    x = 6,332,994,026.62/90,798.21
  6. Step 6: Final answer
    x = 69,748.01

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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.