Home / 124,496.42-171,780.75-70,772.27

Finding the Fourth Proportional to 124,496.42, 171,780.75 and 70,772.27

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Solution

The fourth proportional to 124,496.42, 171,780.75 and 70,772.27 is: 97,651.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,496.42 : 171,780.75 = 70,772.27 : x
  2. Step 2: Convert to fraction form
    124,496.42/171,780.75 = 70,772.27/x
  3. Step 3: Cross multiply
    124,496.42x = 171,780.75 × 70,772.27
  4. Step 4: Simplify right side
    124,496.42x = 12,157,312,760.90
  5. Step 5: Solve for x
    x = 12,157,312,760.90/124,496.42
  6. Step 6: Final answer
    x = 97,651.91

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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.