Home / 92,089.21-127,081.78-51,253.06

Finding the Fourth Proportional to 92,089.21, 127,081.78 and 51,253.06

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Solution

The fourth proportional to 92,089.21, 127,081.78 and 51,253.06 is: 70,728.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,089.21 : 127,081.78 = 51,253.06 : x
  2. Step 2: Convert to fraction form
    92,089.21/127,081.78 = 51,253.06/x
  3. Step 3: Cross multiply
    92,089.21x = 127,081.78 × 51,253.06
  4. Step 4: Simplify right side
    92,089.21x = 6,513,329,459.84
  5. Step 5: Solve for x
    x = 6,513,329,459.84/92,089.21
  6. Step 6: Final answer
    x = 70,728.48

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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.