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Finding the Fourth Proportional to 79,564.98, 119,263.77 and 60,804.30

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Solution

The fourth proportional to 79,564.98, 119,263.77 and 60,804.30 is: 91,142.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,564.98 : 119,263.77 = 60,804.30 : x
  2. Step 2: Convert to fraction form
    79,564.98/119,263.77 = 60,804.30/x
  3. Step 3: Cross multiply
    79,564.98x = 119,263.77 × 60,804.30
  4. Step 4: Simplify right side
    79,564.98x = 7,251,750,050.21
  5. Step 5: Solve for x
    x = 7,251,750,050.21/79,564.98
  6. Step 6: Final answer
    x = 91,142.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.