Home / 55,203.24-76,178.21-31,329.48

Finding the Fourth Proportional to 55,203.24, 76,178.21 and 31,329.48

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Solution

The fourth proportional to 55,203.24, 76,178.21 and 31,329.48 is: 43,233.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,203.24 : 76,178.21 = 31,329.48 : x
  2. Step 2: Convert to fraction form
    55,203.24/76,178.21 = 31,329.48/x
  3. Step 3: Cross multiply
    55,203.24x = 76,178.21 × 31,329.48
  4. Step 4: Simplify right side
    55,203.24x = 2,386,623,549.98
  5. Step 5: Solve for x
    x = 2,386,623,549.98/55,203.24
  6. Step 6: Final answer
    x = 43,233.40

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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.