Home / 54,113.99-74,677.08-30,240.65

Finding the Fourth Proportional to 54,113.99, 74,677.08 and 30,240.65

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Solution

The fourth proportional to 54,113.99, 74,677.08 and 30,240.65 is: 41,731.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,113.99 : 74,677.08 = 30,240.65 : x
  2. Step 2: Convert to fraction form
    54,113.99/74,677.08 = 30,240.65/x
  3. Step 3: Cross multiply
    54,113.99x = 74,677.08 × 30,240.65
  4. Step 4: Simplify right side
    54,113.99x = 2,258,283,625.99
  5. Step 5: Solve for x
    x = 2,258,283,625.99/54,113.99
  6. Step 6: Final answer
    x = 41,731.98

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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.