Home / 124,630.06-171,981.48-68,041.30

Finding the Fourth Proportional to 124,630.06, 171,981.48 and 68,041.30

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Solution

The fourth proportional to 124,630.06, 171,981.48 and 68,041.30 is: 93,892.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,630.06 : 171,981.48 = 68,041.30 : x
  2. Step 2: Convert to fraction form
    124,630.06/171,981.48 = 68,041.30/x
  3. Step 3: Cross multiply
    124,630.06x = 171,981.48 × 68,041.30
  4. Step 4: Simplify right side
    124,630.06x = 11,701,843,475.12
  5. Step 5: Solve for x
    x = 11,701,843,475.12/124,630.06
  6. Step 6: Final answer
    x = 93,892.62

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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.