Home / 80,926.07-111,678.45-45,118.35

Finding the Fourth Proportional to 80,926.07, 111,678.45 and 45,118.35

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Solution

The fourth proportional to 80,926.07, 111,678.45 and 45,118.35 is: 62,263.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,926.07 : 111,678.45 = 45,118.35 : x
  2. Step 2: Convert to fraction form
    80,926.07/111,678.45 = 45,118.35/x
  3. Step 3: Cross multiply
    80,926.07x = 111,678.45 × 45,118.35
  4. Step 4: Simplify right side
    80,926.07x = 5,038,747,394.56
  5. Step 5: Solve for x
    x = 5,038,747,394.56/80,926.07
  6. Step 6: Final answer
    x = 62,263.59

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1.5x scale

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.