Home / 125,880.48-173,715.06-68,520.02

Finding the Fourth Proportional to 125,880.48, 173,715.06 and 68,520.02

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Solution

The fourth proportional to 125,880.48, 173,715.06 and 68,520.02 is: 94,557.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,880.48 : 173,715.06 = 68,520.02 : x
  2. Step 2: Convert to fraction form
    125,880.48/173,715.06 = 68,520.02/x
  3. Step 3: Cross multiply
    125,880.48x = 173,715.06 × 68,520.02
  4. Step 4: Simplify right side
    125,880.48x = 11,902,959,385.50
  5. Step 5: Solve for x
    x = 11,902,959,385.50/125,880.48
  6. Step 6: Final answer
    x = 94,557.63

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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.