Home / 127,493.60-175,941.18-70,133.72

Finding the Fourth Proportional to 127,493.60, 175,941.18 and 70,133.72

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Solution

The fourth proportional to 127,493.60, 175,941.18 and 70,133.72 is: 96,784.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,493.60 : 175,941.18 = 70,133.72 : x
  2. Step 2: Convert to fraction form
    127,493.60/175,941.18 = 70,133.72/x
  3. Step 3: Cross multiply
    127,493.60x = 175,941.18 × 70,133.72
  4. Step 4: Simplify right side
    127,493.60x = 12,339,408,574.88
  5. Step 5: Solve for x
    x = 12,339,408,574.88/127,493.60
  6. Step 6: Final answer
    x = 96,784.54

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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.