Home / 94,428.72-130,312.26-51,987.96

Finding the Fourth Proportional to 94,428.72, 130,312.26 and 51,987.96

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Solution

The fourth proportional to 94,428.72, 130,312.26 and 51,987.96 is: 71,743.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,428.72 : 130,312.26 = 51,987.96 : x
  2. Step 2: Convert to fraction form
    94,428.72/130,312.26 = 51,987.96/x
  3. Step 3: Cross multiply
    94,428.72x = 130,312.26 × 51,987.96
  4. Step 4: Simplify right side
    94,428.72x = 6,774,668,560.39
  5. Step 5: Solve for x
    x = 6,774,668,560.39/94,428.72
  6. Step 6: Final answer
    x = 71,743.73

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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.