Home / 75,126.40-103,671.84-41,590.24

Finding the Fourth Proportional to 75,126.40, 103,671.84 and 41,590.24

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Solution

The fourth proportional to 75,126.40, 103,671.84 and 41,590.24 is: 57,393.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,126.40 : 103,671.84 = 41,590.24 : x
  2. Step 2: Convert to fraction form
    75,126.40/103,671.84 = 41,590.24/x
  3. Step 3: Cross multiply
    75,126.40x = 103,671.84 × 41,590.24
  4. Step 4: Simplify right side
    75,126.40x = 4,311,736,706.84
  5. Step 5: Solve for x
    x = 4,311,736,706.84/75,126.40
  6. Step 6: Final answer
    x = 57,393.10

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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.