Home / 83,074.68-114,643.80-45,349.56

Finding the Fourth Proportional to 83,074.68, 114,643.80 and 45,349.56

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Solution

The fourth proportional to 83,074.68, 114,643.80 and 45,349.56 is: 62,582.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,074.68 : 114,643.80 = 45,349.56 : x
  2. Step 2: Convert to fraction form
    83,074.68/114,643.80 = 45,349.56/x
  3. Step 3: Cross multiply
    83,074.68x = 114,643.80 × 45,349.56
  4. Step 4: Simplify right side
    83,074.68x = 5,199,045,886.73
  5. Step 5: Solve for x
    x = 5,199,045,886.73/83,074.68
  6. Step 6: Final answer
    x = 62,582.80

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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.