Home / 109,290.12-163,958.40-61,927.38

Finding the Fourth Proportional to 109,290.12, 163,958.40 and 61,927.38

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Solution

The fourth proportional to 109,290.12, 163,958.40 and 61,927.38 is: 92,904.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,290.12 : 163,958.40 = 61,927.38 : x
  2. Step 2: Convert to fraction form
    109,290.12/163,958.40 = 61,927.38/x
  3. Step 3: Cross multiply
    109,290.12x = 163,958.40 × 61,927.38
  4. Step 4: Simplify right side
    109,290.12x = 10,153,514,140.99
  5. Step 5: Solve for x
    x = 10,153,514,140.99/109,290.12
  6. Step 6: Final answer
    x = 92,904.23

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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.