Home / 55,341.39-76,370.76-31,468.06

Finding the Fourth Proportional to 55,341.39, 76,370.76 and 31,468.06

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Solution

The fourth proportional to 55,341.39, 76,370.76 and 31,468.06 is: 43,425.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,341.39 : 76,370.76 = 31,468.06 : x
  2. Step 2: Convert to fraction form
    55,341.39/76,370.76 = 31,468.06/x
  3. Step 3: Cross multiply
    55,341.39x = 76,370.76 × 31,468.06
  4. Step 4: Simplify right side
    55,341.39x = 2,403,239,276.07
  5. Step 5: Solve for x
    x = 2,403,239,276.07/55,341.39
  6. Step 6: Final answer
    x = 43,425.71

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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.