Home / 316,069.50-474,067.74-79,394.16

Finding the Fourth Proportional to 316,069.50, 474,067.74 and 79,394.16

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Solution

The fourth proportional to 316,069.50, 474,067.74 and 79,394.16 is: 119,082.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,069.50 : 474,067.74 = 79,394.16 : x
  2. Step 2: Convert to fraction form
    316,069.50/474,067.74 = 79,394.16/x
  3. Step 3: Cross multiply
    316,069.50x = 474,067.74 × 79,394.16
  4. Step 4: Simplify right side
    316,069.50x = 37,638,210,000.40
  5. Step 5: Solve for x
    x = 37,638,210,000.40/316,069.50
  6. Step 6: Final answer
    x = 119,082.07

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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.