Home / 124,894.50-172,354.55-68,306.01

Finding the Fourth Proportional to 124,894.50, 172,354.55 and 68,306.01

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Solution

The fourth proportional to 124,894.50, 172,354.55 and 68,306.01 is: 94,262.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,894.50 : 172,354.55 = 68,306.01 : x
  2. Step 2: Convert to fraction form
    124,894.50/172,354.55 = 68,306.01/x
  3. Step 3: Cross multiply
    124,894.50x = 172,354.55 × 68,306.01
  4. Step 4: Simplify right side
    124,894.50x = 11,772,851,274.32
  5. Step 5: Solve for x
    x = 11,772,851,274.32/124,894.50
  6. Step 6: Final answer
    x = 94,262.37

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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.