Home / 76,055.20-113,864.10-46,530.70

Finding the Fourth Proportional to 76,055.20, 113,864.10 and 46,530.70

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Solution

The fourth proportional to 76,055.20, 113,864.10 and 46,530.70 is: 69,662.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,055.20 : 113,864.10 = 46,530.70 : x
  2. Step 2: Convert to fraction form
    76,055.20/113,864.10 = 46,530.70/x
  3. Step 3: Cross multiply
    76,055.20x = 113,864.10 × 46,530.70
  4. Step 4: Simplify right side
    76,055.20x = 5,298,176,277.87
  5. Step 5: Solve for x
    x = 5,298,176,277.87/76,055.20
  6. Step 6: Final answer
    x = 69,662.25

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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.