Home / 79,746.15-110,029.80-51,417.75

Finding the Fourth Proportional to 79,746.15, 110,029.80 and 51,417.75

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Solution

The fourth proportional to 79,746.15, 110,029.80 and 51,417.75 is: 70,943.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,746.15 : 110,029.80 = 51,417.75 : x
  2. Step 2: Convert to fraction form
    79,746.15/110,029.80 = 51,417.75/x
  3. Step 3: Cross multiply
    79,746.15x = 110,029.80 × 51,417.75
  4. Step 4: Simplify right side
    79,746.15x = 5,657,484,748.95
  5. Step 5: Solve for x
    x = 5,657,484,748.95/79,746.15
  6. Step 6: Final answer
    x = 70,943.67

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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.