Home / 79,670.14-119,579.02-40,254.93

Finding the Fourth Proportional to 79,670.14, 119,579.02 and 40,254.93

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Solution

The fourth proportional to 79,670.14, 119,579.02 and 40,254.93 is: 60,419.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,670.14 : 119,579.02 = 40,254.93 : x
  2. Step 2: Convert to fraction form
    79,670.14/119,579.02 = 40,254.93/x
  3. Step 3: Cross multiply
    79,670.14x = 119,579.02 × 40,254.93
  4. Step 4: Simplify right side
    79,670.14x = 4,813,644,978.93
  5. Step 5: Solve for x
    x = 4,813,644,978.93/79,670.14
  6. Step 6: Final answer
    x = 60,419.69

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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.