Home / 94,308.72-130,146.24-51,866.40

Finding the Fourth Proportional to 94,308.72, 130,146.24 and 51,866.40

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Solution

The fourth proportional to 94,308.72, 130,146.24 and 51,866.40 is: 71,575.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,308.72 : 130,146.24 = 51,866.40 : x
  2. Step 2: Convert to fraction form
    94,308.72/130,146.24 = 51,866.40/x
  3. Step 3: Cross multiply
    94,308.72x = 130,146.24 × 51,866.40
  4. Step 4: Simplify right side
    94,308.72x = 6,750,216,942.34
  5. Step 5: Solve for x
    x = 6,750,216,942.34/94,308.72
  6. Step 6: Final answer
    x = 71,575.75

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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.