Home / 121,627.69-182,395.06-58,429.80

Finding the Fourth Proportional to 121,627.69, 182,395.06 and 58,429.80

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Solution

The fourth proportional to 121,627.69, 182,395.06 and 58,429.80 is: 87,622.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,627.69 : 182,395.06 = 58,429.80 : x
  2. Step 2: Convert to fraction form
    121,627.69/182,395.06 = 58,429.80/x
  3. Step 3: Cross multiply
    121,627.69x = 182,395.06 × 58,429.80
  4. Step 4: Simplify right side
    121,627.69x = 10,657,306,730.71
  5. Step 5: Solve for x
    x = 10,657,306,730.71/121,627.69
  6. Step 6: Final answer
    x = 87,622.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.