Home / 79,478.45-119,109.14-40,062.23

Finding the Fourth Proportional to 79,478.45, 119,109.14 and 40,062.23

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Solution

The fourth proportional to 79,478.45, 119,109.14 and 40,062.23 is: 60,038.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,478.45 : 119,109.14 = 40,062.23 : x
  2. Step 2: Convert to fraction form
    79,478.45/119,109.14 = 40,062.23/x
  3. Step 3: Cross multiply
    79,478.45x = 119,109.14 × 40,062.23
  4. Step 4: Simplify right side
    79,478.45x = 4,771,777,561.47
  5. Step 5: Solve for x
    x = 4,771,777,561.47/79,478.45
  6. Step 6: Final answer
    x = 60,038.63

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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.