Home / 94,489.36-130,384.40-54,192

Finding the Fourth Proportional to 94,489.36, 130,384.40 and 54,192

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Solution

The fourth proportional to 94,489.36, 130,384.40 and 54,192 is: 74,778.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,489.36 : 130,384.40 = 54,192 : x
  2. Step 2: Convert to fraction form
    94,489.36/130,384.40 = 54,192/x
  3. Step 3: Cross multiply
    94,489.36x = 130,384.40 × 54,192
  4. Step 4: Simplify right side
    94,489.36x = 7,065,791,404.80
  5. Step 5: Solve for x
    x = 7,065,791,404.80/94,489.36
  6. Step 6: Final answer
    x = 74,778.70

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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.