Home / 55,465.08-76,541.64-31,591.68

Finding the Fourth Proportional to 55,465.08, 76,541.64 and 31,591.68

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Solution

The fourth proportional to 55,465.08, 76,541.64 and 31,591.68 is: 43,596.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,465.08 : 76,541.64 = 31,591.68 : x
  2. Step 2: Convert to fraction form
    55,465.08/76,541.64 = 31,591.68/x
  3. Step 3: Cross multiply
    55,465.08x = 76,541.64 × 31,591.68
  4. Step 4: Simplify right side
    55,465.08x = 2,418,078,997.56
  5. Step 5: Solve for x
    x = 2,418,078,997.56/55,465.08
  6. Step 6: Final answer
    x = 43,596.42

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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.