Home / 55,214.07-76,196.34-31,341.48

Finding the Fourth Proportional to 55,214.07, 76,196.34 and 31,341.48

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Solution

The fourth proportional to 55,214.07, 76,196.34 and 31,341.48 is: 43,251.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,214.07 : 76,196.34 = 31,341.48 : x
  2. Step 2: Convert to fraction form
    55,214.07/76,196.34 = 31,341.48/x
  3. Step 3: Cross multiply
    55,214.07x = 76,196.34 × 31,341.48
  4. Step 4: Simplify right side
    55,214.07x = 2,388,106,066.18
  5. Step 5: Solve for x
    x = 2,388,106,066.18/55,214.07
  6. Step 6: Final answer
    x = 43,251.77

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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.