Home / 55,434.03-76,476.30-40,932.96

Finding the Fourth Proportional to 55,434.03, 76,476.30 and 40,932.96

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Solution

The fourth proportional to 55,434.03, 76,476.30 and 40,932.96 is: 56,470.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,434.03 : 76,476.30 = 40,932.96 : x
  2. Step 2: Convert to fraction form
    55,434.03/76,476.30 = 40,932.96/x
  3. Step 3: Cross multiply
    55,434.03x = 76,476.30 × 40,932.96
  4. Step 4: Simplify right side
    55,434.03x = 3,130,400,946.47
  5. Step 5: Solve for x
    x = 3,130,400,946.47/55,434.03
  6. Step 6: Final answer
    x = 56,470.75

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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.