Home / 127,050.78-175,325.67-70,467.42

Finding the Fourth Proportional to 127,050.78, 175,325.67 and 70,467.42

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Solution

The fourth proportional to 127,050.78, 175,325.67 and 70,467.42 is: 97,242.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,050.78 : 175,325.67 = 70,467.42 : x
  2. Step 2: Convert to fraction form
    127,050.78/175,325.67 = 70,467.42/x
  3. Step 3: Cross multiply
    127,050.78x = 175,325.67 × 70,467.42
  4. Step 4: Simplify right side
    127,050.78x = 12,354,747,624.67
  5. Step 5: Solve for x
    x = 12,354,747,624.67/127,050.78
  6. Step 6: Final answer
    x = 97,242.60

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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.