Home / 76,338.12-105,341.28-44,074.02

Finding the Fourth Proportional to 76,338.12, 105,341.28 and 44,074.02

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Solution

The fourth proportional to 76,338.12, 105,341.28 and 44,074.02 is: 60,819.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,338.12 : 105,341.28 = 44,074.02 : x
  2. Step 2: Convert to fraction form
    76,338.12/105,341.28 = 44,074.02/x
  3. Step 3: Cross multiply
    76,338.12x = 105,341.28 × 44,074.02
  4. Step 4: Simplify right side
    76,338.12x = 4,642,813,681.55
  5. Step 5: Solve for x
    x = 4,642,813,681.55/76,338.12
  6. Step 6: Final answer
    x = 60,819.07

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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.