Home / 80,926.88-111,677.81-45,119.07

Finding the Fourth Proportional to 80,926.88, 111,677.81 and 45,119.07

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Solution

The fourth proportional to 80,926.88, 111,677.81 and 45,119.07 is: 62,263.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,926.88 : 111,677.81 = 45,119.07 : x
  2. Step 2: Convert to fraction form
    80,926.88/111,677.81 = 45,119.07/x
  3. Step 3: Cross multiply
    80,926.88x = 111,677.81 × 45,119.07
  4. Step 4: Simplify right side
    80,926.88x = 5,038,798,701.24
  5. Step 5: Solve for x
    x = 5,038,798,701.24/80,926.88
  6. Step 6: Final answer
    x = 62,263.60

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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.