Home / 91,956.69-126,900.14-53,742.51

Finding the Fourth Proportional to 91,956.69, 126,900.14 and 53,742.51

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Solution

The fourth proportional to 91,956.69, 126,900.14 and 53,742.51 is: 74,164.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,956.69 : 126,900.14 = 53,742.51 : x
  2. Step 2: Convert to fraction form
    91,956.69/126,900.14 = 53,742.51/x
  3. Step 3: Cross multiply
    91,956.69x = 126,900.14 × 53,742.51
  4. Step 4: Simplify right side
    91,956.69x = 6,819,931,774.24
  5. Step 5: Solve for x
    x = 6,819,931,774.24/91,956.69
  6. Step 6: Final answer
    x = 74,164.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.