Home / 75,030.94-112,504.86-30,688.83

Finding the Fourth Proportional to 75,030.94, 112,504.86 and 30,688.83

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Solution

The fourth proportional to 75,030.94, 112,504.86 and 30,688.83 is: 46,016.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,030.94 : 112,504.86 = 30,688.83 : x
  2. Step 2: Convert to fraction form
    75,030.94/112,504.86 = 30,688.83/x
  3. Step 3: Cross multiply
    75,030.94x = 112,504.86 × 30,688.83
  4. Step 4: Simplify right side
    75,030.94x = 3,452,642,369.27
  5. Step 5: Solve for x
    x = 3,452,642,369.27/75,030.94
  6. Step 6: Final answer
    x = 46,016.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.