Home / 125,688.94-173,432.69-73,975.30

Finding the Fourth Proportional to 125,688.94, 173,432.69 and 73,975.30

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Solution

The fourth proportional to 125,688.94, 173,432.69 and 73,975.30 is: 102,075.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,688.94 : 173,432.69 = 73,975.30 : x
  2. Step 2: Convert to fraction form
    125,688.94/173,432.69 = 73,975.30/x
  3. Step 3: Cross multiply
    125,688.94x = 173,432.69 × 73,975.30
  4. Step 4: Simplify right side
    125,688.94x = 12,829,735,272.56
  5. Step 5: Solve for x
    x = 12,829,735,272.56/125,688.94
  6. Step 6: Final answer
    x = 102,075.29

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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.