Home / 80,685.81-111,344.82-44,875.05

Finding the Fourth Proportional to 80,685.81, 111,344.82 and 44,875.05

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Solution

The fourth proportional to 80,685.81, 111,344.82 and 44,875.05 is: 61,926.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,685.81 : 111,344.82 = 44,875.05 : x
  2. Step 2: Convert to fraction form
    80,685.81/111,344.82 = 44,875.05/x
  3. Step 3: Cross multiply
    80,685.81x = 111,344.82 × 44,875.05
  4. Step 4: Simplify right side
    80,685.81x = 4,996,604,364.74
  5. Step 5: Solve for x
    x = 4,996,604,364.74/80,685.81
  6. Step 6: Final answer
    x = 61,926.68

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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.