Home / 127,112.04-175,411.62-70,521.96

Finding the Fourth Proportional to 127,112.04, 175,411.62 and 70,521.96

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Solution

The fourth proportional to 127,112.04, 175,411.62 and 70,521.96 is: 97,318.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,112.04 : 175,411.62 = 70,521.96 : x
  2. Step 2: Convert to fraction form
    127,112.04/175,411.62 = 70,521.96/x
  3. Step 3: Cross multiply
    127,112.04x = 175,411.62 × 70,521.96
  4. Step 4: Simplify right side
    127,112.04x = 12,370,371,249.18
  5. Step 5: Solve for x
    x = 12,370,371,249.18/127,112.04
  6. Step 6: Final answer
    x = 97,318.64

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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.