Home / 54,352.72-75,008.64-31,706.16

Finding the Fourth Proportional to 54,352.72, 75,008.64 and 31,706.16

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Solution

The fourth proportional to 54,352.72, 75,008.64 and 31,706.16 is: 43,755.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,352.72 : 75,008.64 = 31,706.16 : x
  2. Step 2: Convert to fraction form
    54,352.72/75,008.64 = 31,706.16/x
  3. Step 3: Cross multiply
    54,352.72x = 75,008.64 × 31,706.16
  4. Step 4: Simplify right side
    54,352.72x = 2,378,235,941.22
  5. Step 5: Solve for x
    x = 2,378,235,941.22/54,352.72
  6. Step 6: Final answer
    x = 43,755.60

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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.