Home / 79,702.36-109,956.24-47,430.52

Finding the Fourth Proportional to 79,702.36, 109,956.24 and 47,430.52

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Solution

The fourth proportional to 79,702.36, 109,956.24 and 47,430.52 is: 65,434.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,702.36 : 109,956.24 = 47,430.52 : x
  2. Step 2: Convert to fraction form
    79,702.36/109,956.24 = 47,430.52/x
  3. Step 3: Cross multiply
    79,702.36x = 109,956.24 × 47,430.52
  4. Step 4: Simplify right side
    79,702.36x = 5,215,281,365.55
  5. Step 5: Solve for x
    x = 5,215,281,365.55/79,702.36
  6. Step 6: Final answer
    x = 65,434.47

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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.