Home / 114,864.59-172,121.47-48,268.32

Finding the Fourth Proportional to 114,864.59, 172,121.47 and 48,268.32

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Solution

The fourth proportional to 114,864.59, 172,121.47 and 48,268.32 is: 72,328.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,864.59 : 172,121.47 = 48,268.32 : x
  2. Step 2: Convert to fraction form
    114,864.59/172,121.47 = 48,268.32/x
  3. Step 3: Cross multiply
    114,864.59x = 172,121.47 × 48,268.32
  4. Step 4: Simplify right side
    114,864.59x = 8,308,013,426.70
  5. Step 5: Solve for x
    x = 8,308,013,426.70/114,864.59
  6. Step 6: Final answer
    x = 72,328.76

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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.