Home / 75,276.18-103,879.57-46,588.21

Finding the Fourth Proportional to 75,276.18, 103,879.57 and 46,588.21

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Solution

The fourth proportional to 75,276.18, 103,879.57 and 46,588.21 is: 64,290.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,276.18 : 103,879.57 = 46,588.21 : x
  2. Step 2: Convert to fraction form
    75,276.18/103,879.57 = 46,588.21/x
  3. Step 3: Cross multiply
    75,276.18x = 103,879.57 × 46,588.21
  4. Step 4: Simplify right side
    75,276.18x = 4,839,563,221.87
  5. Step 5: Solve for x
    x = 4,839,563,221.87/75,276.18
  6. Step 6: Final answer
    x = 64,290.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.