Home / 75,089.04-103,623-41,555.04

Finding the Fourth Proportional to 75,089.04, 103,623 and 41,555.04

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Solution

The fourth proportional to 75,089.04, 103,623 and 41,555.04 is: 57,346.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,089.04 : 103,623 = 41,555.04 : x
  2. Step 2: Convert to fraction form
    75,089.04/103,623 = 41,555.04/x
  3. Step 3: Cross multiply
    75,089.04x = 103,623 × 41,555.04
  4. Step 4: Simplify right side
    75,089.04x = 4,306,057,909.92
  5. Step 5: Solve for x
    x = 4,306,057,909.92/75,089.04
  6. Step 6: Final answer
    x = 57,346.02

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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.