Home / 127,056.80-175,326-70,466.96

Finding the Fourth Proportional to 127,056.80, 175,326 and 70,466.96

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Solution

The fourth proportional to 127,056.80, 175,326 and 70,466.96 is: 97,237.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,056.80 : 175,326 = 70,466.96 : x
  2. Step 2: Convert to fraction form
    127,056.80/175,326 = 70,466.96/x
  3. Step 3: Cross multiply
    127,056.80x = 175,326 × 70,466.96
  4. Step 4: Simplify right side
    127,056.80x = 12,354,690,228.96
  5. Step 5: Solve for x
    x = 12,354,690,228.96/127,056.80
  6. Step 6: Final answer
    x = 97,237.54

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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.