Home / 79,667.04-109,941.78-45,678.52

Finding the Fourth Proportional to 79,667.04, 109,941.78 and 45,678.52

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Solution

The fourth proportional to 79,667.04, 109,941.78 and 45,678.52 is: 63,037.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,667.04 : 109,941.78 = 45,678.52 : x
  2. Step 2: Convert to fraction form
    79,667.04/109,941.78 = 45,678.52/x
  3. Step 3: Cross multiply
    79,667.04x = 109,941.78 × 45,678.52
  4. Step 4: Simplify right side
    79,667.04x = 5,021,977,796.57
  5. Step 5: Solve for x
    x = 5,021,977,796.57/79,667.04
  6. Step 6: Final answer
    x = 63,037.08

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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.