Home / 85,077.36-127,606.32-22,752.72

Finding the Fourth Proportional to 85,077.36, 127,606.32 and 22,752.72

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Solution

The fourth proportional to 85,077.36, 127,606.32 and 22,752.72 is: 34,126.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,077.36 : 127,606.32 = 22,752.72 : x
  2. Step 2: Convert to fraction form
    85,077.36/127,606.32 = 22,752.72/x
  3. Step 3: Cross multiply
    85,077.36x = 127,606.32 × 22,752.72
  4. Step 4: Simplify right side
    85,077.36x = 2,903,390,869.19
  5. Step 5: Solve for x
    x = 2,903,390,869.19/85,077.36
  6. Step 6: Final answer
    x = 34,126.48

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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.