Home / 75,215.74-103,798.54-41,223.50

Finding the Fourth Proportional to 75,215.74, 103,798.54 and 41,223.50

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Solution

The fourth proportional to 75,215.74, 103,798.54 and 41,223.50 is: 56,888.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,215.74 : 103,798.54 = 41,223.50 : x
  2. Step 2: Convert to fraction form
    75,215.74/103,798.54 = 41,223.50/x
  3. Step 3: Cross multiply
    75,215.74x = 103,798.54 × 41,223.50
  4. Step 4: Simplify right side
    75,215.74x = 4,278,938,744.84
  5. Step 5: Solve for x
    x = 4,278,938,744.84/75,215.74
  6. Step 6: Final answer
    x = 56,888.87

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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.