Home / 114,716.71-172,184.51-70,429.96

Finding the Fourth Proportional to 114,716.71, 172,184.51 and 70,429.96

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Solution

The fourth proportional to 114,716.71, 172,184.51 and 70,429.96 is: 105,712.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,716.71 : 172,184.51 = 70,429.96 : x
  2. Step 2: Convert to fraction form
    114,716.71/172,184.51 = 70,429.96/x
  3. Step 3: Cross multiply
    114,716.71x = 172,184.51 × 70,429.96
  4. Step 4: Simplify right side
    114,716.71x = 12,126,947,291.00
  5. Step 5: Solve for x
    x = 12,126,947,291.00/114,716.71
  6. Step 6: Final answer
    x = 105,712.13

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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.