Home / 125,529.50-173,246.07-72,537.50

Finding the Fourth Proportional to 125,529.50, 173,246.07 and 72,537.50

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Solution

The fourth proportional to 125,529.50, 173,246.07 and 72,537.50 is: 100,110.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,529.50 : 173,246.07 = 72,537.50 : x
  2. Step 2: Convert to fraction form
    125,529.50/173,246.07 = 72,537.50/x
  3. Step 3: Cross multiply
    125,529.50x = 173,246.07 × 72,537.50
  4. Step 4: Simplify right side
    125,529.50x = 12,566,836,802.63
  5. Step 5: Solve for x
    x = 12,566,836,802.63/125,529.50
  6. Step 6: Final answer
    x = 100,110.63

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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.