Home / 124,170.50-171,355.30-67,582.28

Finding the Fourth Proportional to 124,170.50, 171,355.30 and 67,582.28

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Solution

The fourth proportional to 124,170.50, 171,355.30 and 67,582.28 is: 93,263.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,170.50 : 171,355.30 = 67,582.28 : x
  2. Step 2: Convert to fraction form
    124,170.50/171,355.30 = 67,582.28/x
  3. Step 3: Cross multiply
    124,170.50x = 171,355.30 × 67,582.28
  4. Step 4: Simplify right side
    124,170.50x = 11,580,581,864.08
  5. Step 5: Solve for x
    x = 11,580,581,864.08/124,170.50
  6. Step 6: Final answer
    x = 93,263.55

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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.