Home / 55,341.37-76,370.74-31,468.05

Finding the Fourth Proportional to 55,341.37, 76,370.74 and 31,468.05

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Solution

The fourth proportional to 55,341.37, 76,370.74 and 31,468.05 is: 43,425.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,341.37 : 76,370.74 = 31,468.05 : x
  2. Step 2: Convert to fraction form
    55,341.37/76,370.74 = 31,468.05/x
  3. Step 3: Cross multiply
    55,341.37x = 76,370.74 × 31,468.05
  4. Step 4: Simplify right side
    55,341.37x = 2,403,237,725.66
  5. Step 5: Solve for x
    x = 2,403,237,725.66/55,341.37
  6. Step 6: Final answer
    x = 43,425.70

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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.