Home / 124,941.63-172,423.50-68,353

Finding the Fourth Proportional to 124,941.63, 172,423.50 and 68,353

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Solution

The fourth proportional to 124,941.63, 172,423.50 and 68,353 is: 94,329.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,941.63 : 172,423.50 = 68,353 : x
  2. Step 2: Convert to fraction form
    124,941.63/172,423.50 = 68,353/x
  3. Step 3: Cross multiply
    124,941.63x = 172,423.50 × 68,353
  4. Step 4: Simplify right side
    124,941.63x = 11,785,663,495.50
  5. Step 5: Solve for x
    x = 11,785,663,495.50/124,941.63
  6. Step 6: Final answer
    x = 94,329.36

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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.