Home / 124,867.04-172,316.50-68,278.40

Finding the Fourth Proportional to 124,867.04, 172,316.50 and 68,278.40

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Solution

The fourth proportional to 124,867.04, 172,316.50 and 68,278.40 is: 94,224.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,867.04 : 172,316.50 = 68,278.40 : x
  2. Step 2: Convert to fraction form
    124,867.04/172,316.50 = 68,278.40/x
  3. Step 3: Cross multiply
    124,867.04x = 172,316.50 × 68,278.40
  4. Step 4: Simplify right side
    124,867.04x = 11,765,494,913.60
  5. Step 5: Solve for x
    x = 11,765,494,913.60/124,867.04
  6. Step 6: Final answer
    x = 94,224.18

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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.