Home / 121,463.47-167,619.16-67,748.45

Finding the Fourth Proportional to 121,463.47, 167,619.16 and 67,748.45

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Solution

The fourth proportional to 121,463.47, 167,619.16 and 67,748.45 is: 93,492.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,463.47 : 167,619.16 = 67,748.45 : x
  2. Step 2: Convert to fraction form
    121,463.47/167,619.16 = 67,748.45/x
  3. Step 3: Cross multiply
    121,463.47x = 167,619.16 × 67,748.45
  4. Step 4: Simplify right side
    121,463.47x = 11,355,937,103.46
  5. Step 5: Solve for x
    x = 11,355,937,103.46/121,463.47
  6. Step 6: Final answer
    x = 93,492.61

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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.