Home / 79,746.90-110,030.85-51,418.50

Finding the Fourth Proportional to 79,746.90, 110,030.85 and 51,418.50

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Solution

The fourth proportional to 79,746.90, 110,030.85 and 51,418.50 is: 70,944.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,746.90 : 110,030.85 = 51,418.50 : x
  2. Step 2: Convert to fraction form
    79,746.90/110,030.85 = 51,418.50/x
  3. Step 3: Cross multiply
    79,746.90x = 110,030.85 × 51,418.50
  4. Step 4: Simplify right side
    79,746.90x = 5,657,621,260.73
  5. Step 5: Solve for x
    x = 5,657,621,260.73/79,746.90
  6. Step 6: Final answer
    x = 70,944.72

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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.