Home / 79,621.02-119,460.24-40,148.40

Finding the Fourth Proportional to 79,621.02, 119,460.24 and 40,148.40

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Solution

The fourth proportional to 79,621.02, 119,460.24 and 40,148.40 is: 60,237.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,621.02 : 119,460.24 = 40,148.40 : x
  2. Step 2: Convert to fraction form
    79,621.02/119,460.24 = 40,148.40/x
  3. Step 3: Cross multiply
    79,621.02x = 119,460.24 × 40,148.40
  4. Step 4: Simplify right side
    79,621.02x = 4,796,137,499.62
  5. Step 5: Solve for x
    x = 4,796,137,499.62/79,621.02
  6. Step 6: Final answer
    x = 60,237.08

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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.