Home / 127,352.04-175,742.32-70,761.96

Finding the Fourth Proportional to 127,352.04, 175,742.32 and 70,761.96

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Solution

The fourth proportional to 127,352.04, 175,742.32 and 70,761.96 is: 97,649.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,352.04 : 175,742.32 = 70,761.96 : x
  2. Step 2: Convert to fraction form
    127,352.04/175,742.32 = 70,761.96/x
  3. Step 3: Cross multiply
    127,352.04x = 175,742.32 × 70,761.96
  4. Step 4: Simplify right side
    127,352.04x = 12,435,871,018.15
  5. Step 5: Solve for x
    x = 12,435,871,018.15/127,352.04
  6. Step 6: Final answer
    x = 97,649.56

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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.