Home / 114,986.40-172,479.64-51,732.64

Finding the Fourth Proportional to 114,986.40, 172,479.64 and 51,732.64

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Solution

The fourth proportional to 114,986.40, 172,479.64 and 51,732.64 is: 77,598.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,986.40 : 172,479.64 = 51,732.64 : x
  2. Step 2: Convert to fraction form
    114,986.40/172,479.64 = 51,732.64/x
  3. Step 3: Cross multiply
    114,986.40x = 172,479.64 × 51,732.64
  4. Step 4: Simplify right side
    114,986.40x = 8,922,827,123.45
  5. Step 5: Solve for x
    x = 8,922,827,123.45/114,986.40
  6. Step 6: Final answer
    x = 77,598.98

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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.