Home / 54,609.17-75,350.59-30,730.77

Finding the Fourth Proportional to 54,609.17, 75,350.59 and 30,730.77

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Solution

The fourth proportional to 54,609.17, 75,350.59 and 30,730.77 is: 42,402.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,609.17 : 75,350.59 = 30,730.77 : x
  2. Step 2: Convert to fraction form
    54,609.17/75,350.59 = 30,730.77/x
  3. Step 3: Cross multiply
    54,609.17x = 75,350.59 × 30,730.77
  4. Step 4: Simplify right side
    54,609.17x = 2,315,581,573.83
  5. Step 5: Solve for x
    x = 2,315,581,573.83/54,609.17
  6. Step 6: Final answer
    x = 42,402.80

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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.