Home / 79,429.86-109,608.93-45,439.02

Finding the Fourth Proportional to 79,429.86, 109,608.93 and 45,439.02

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Solution

The fourth proportional to 79,429.86, 109,608.93 and 45,439.02 is: 62,703.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,429.86 : 109,608.93 = 45,439.02 : x
  2. Step 2: Convert to fraction form
    79,429.86/109,608.93 = 45,439.02/x
  3. Step 3: Cross multiply
    79,429.86x = 109,608.93 × 45,439.02
  4. Step 4: Simplify right side
    79,429.86x = 4,980,522,362.45
  5. Step 5: Solve for x
    x = 4,980,522,362.45/79,429.86
  6. Step 6: Final answer
    x = 62,703.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.