Home / 79,864.56-110,262.60-56,087.28

Finding the Fourth Proportional to 79,864.56, 110,262.60 and 56,087.28

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Solution

The fourth proportional to 79,864.56, 110,262.60 and 56,087.28 is: 77,435.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,864.56 : 110,262.60 = 56,087.28 : x
  2. Step 2: Convert to fraction form
    79,864.56/110,262.60 = 56,087.28/x
  3. Step 3: Cross multiply
    79,864.56x = 110,262.60 × 56,087.28
  4. Step 4: Simplify right side
    79,864.56x = 6,184,329,319.73
  5. Step 5: Solve for x
    x = 6,184,329,319.73/79,864.56
  6. Step 6: Final answer
    x = 77,435.21

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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.