Home / 55,895.63-77,131.28-32,921.79

Finding the Fourth Proportional to 55,895.63, 77,131.28 and 32,921.79

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Solution

The fourth proportional to 55,895.63, 77,131.28 and 32,921.79 is: 45,429.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,895.63 : 77,131.28 = 32,921.79 : x
  2. Step 2: Convert to fraction form
    55,895.63/77,131.28 = 32,921.79/x
  3. Step 3: Cross multiply
    55,895.63x = 77,131.28 × 32,921.79
  4. Step 4: Simplify right side
    55,895.63x = 2,539,299,637.98
  5. Step 5: Solve for x
    x = 2,539,299,637.98/55,895.63
  6. Step 6: Final answer
    x = 45,429.31

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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.