Home / 79,636.09-119,527.98-40,220.86

Finding the Fourth Proportional to 79,636.09, 119,527.98 and 40,220.86

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Solution

The fourth proportional to 79,636.09, 119,527.98 and 40,220.86 is: 60,368.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,636.09 : 119,527.98 = 40,220.86 : x
  2. Step 2: Convert to fraction form
    79,636.09/119,527.98 = 40,220.86/x
  3. Step 3: Cross multiply
    79,636.09x = 119,527.98 × 40,220.86
  4. Step 4: Simplify right side
    79,636.09x = 4,807,518,149.66
  5. Step 5: Solve for x
    x = 4,807,518,149.66/79,636.09
  6. Step 6: Final answer
    x = 60,368.59

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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.