Home / 79,851.02-119,628.90-40,313.70

Finding the Fourth Proportional to 79,851.02, 119,628.90 and 40,313.70

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Solution

The fourth proportional to 79,851.02, 119,628.90 and 40,313.70 is: 60,396.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,851.02 : 119,628.90 = 40,313.70 : x
  2. Step 2: Convert to fraction form
    79,851.02/119,628.90 = 40,313.70/x
  3. Step 3: Cross multiply
    79,851.02x = 119,628.90 × 40,313.70
  4. Step 4: Simplify right side
    79,851.02x = 4,822,683,585.93
  5. Step 5: Solve for x
    x = 4,822,683,585.93/79,851.02
  6. Step 6: Final answer
    x = 60,396.02

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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.