Home / 126,471.04-189,684.69-47,585.95

Finding the Fourth Proportional to 126,471.04, 189,684.69 and 47,585.95

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Solution

The fourth proportional to 126,471.04, 189,684.69 and 47,585.95 is: 71,370.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,471.04 : 189,684.69 = 47,585.95 : x
  2. Step 2: Convert to fraction form
    126,471.04/189,684.69 = 47,585.95/x
  3. Step 3: Cross multiply
    126,471.04x = 189,684.69 × 47,585.95
  4. Step 4: Simplify right side
    126,471.04x = 9,026,325,521.45
  5. Step 5: Solve for x
    x = 9,026,325,521.45/126,471.04
  6. Step 6: Final answer
    x = 71,370.69

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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.