Home / 55,341.93-76,371.87-31,470.07

Finding the Fourth Proportional to 55,341.93, 76,371.87 and 31,470.07

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Solution

The fourth proportional to 55,341.93, 76,371.87 and 31,470.07 is: 43,428.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,341.93 : 76,371.87 = 31,470.07 : x
  2. Step 2: Convert to fraction form
    55,341.93/76,371.87 = 31,470.07/x
  3. Step 3: Cross multiply
    55,341.93x = 76,371.87 × 31,470.07
  4. Step 4: Simplify right side
    55,341.93x = 2,403,427,713.07
  5. Step 5: Solve for x
    x = 2,403,427,713.07/55,341.93
  6. Step 6: Final answer
    x = 43,428.69

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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.