Home / 75,515.40-104,211.65-41,526.09

Finding the Fourth Proportional to 75,515.40, 104,211.65 and 41,526.09

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Solution

The fourth proportional to 75,515.40, 104,211.65 and 41,526.09 is: 57,306.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,515.40 : 104,211.65 = 41,526.09 : x
  2. Step 2: Convert to fraction form
    75,515.40/104,211.65 = 41,526.09/x
  3. Step 3: Cross multiply
    75,515.40x = 104,211.65 × 41,526.09
  4. Step 4: Simplify right side
    75,515.40x = 4,327,502,356.95
  5. Step 5: Solve for x
    x = 4,327,502,356.95/75,515.40
  6. Step 6: Final answer
    x = 57,306.22

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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.