Home / 55,947.45-77,214.06-31,422.29

Finding the Fourth Proportional to 55,947.45, 77,214.06 and 31,422.29

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Solution

The fourth proportional to 55,947.45, 77,214.06 and 31,422.29 is: 43,366.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,947.45 : 77,214.06 = 31,422.29 : x
  2. Step 2: Convert to fraction form
    55,947.45/77,214.06 = 31,422.29/x
  3. Step 3: Cross multiply
    55,947.45x = 77,214.06 × 31,422.29
  4. Step 4: Simplify right side
    55,947.45x = 2,426,242,896.27
  5. Step 5: Solve for x
    x = 2,426,242,896.27/55,947.45
  6. Step 6: Final answer
    x = 43,366.46

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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.