Home / 92,733.12-127,971.63-50,291.46

Finding the Fourth Proportional to 92,733.12, 127,971.63 and 50,291.46

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Solution

The fourth proportional to 92,733.12, 127,971.63 and 50,291.46 is: 69,402.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,733.12 : 127,971.63 = 50,291.46 : x
  2. Step 2: Convert to fraction form
    92,733.12/127,971.63 = 50,291.46/x
  3. Step 3: Cross multiply
    92,733.12x = 127,971.63 × 50,291.46
  4. Step 4: Simplify right side
    92,733.12x = 6,435,880,111.28
  5. Step 5: Solve for x
    x = 6,435,880,111.28/92,733.12
  6. Step 6: Final answer
    x = 69,402.17

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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.