Home / 79,785.35-110,102.34-43,487.16

Finding the Fourth Proportional to 79,785.35, 110,102.34 and 43,487.16

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Solution

The fourth proportional to 79,785.35, 110,102.34 and 43,487.16 is: 60,011.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,785.35 : 110,102.34 = 43,487.16 : x
  2. Step 2: Convert to fraction form
    79,785.35/110,102.34 = 43,487.16/x
  3. Step 3: Cross multiply
    79,785.35x = 110,102.34 × 43,487.16
  4. Step 4: Simplify right side
    79,785.35x = 4,788,038,075.95
  5. Step 5: Solve for x
    x = 4,788,038,075.95/79,785.35
  6. Step 6: Final answer
    x = 60,011.49

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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.