Home / 93,954.43-129,638.78-55,706.84

Finding the Fourth Proportional to 93,954.43, 129,638.78 and 55,706.84

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Solution

The fourth proportional to 93,954.43, 129,638.78 and 55,706.84 is: 76,864.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,954.43 : 129,638.78 = 55,706.84 : x
  2. Step 2: Convert to fraction form
    93,954.43/129,638.78 = 55,706.84/x
  3. Step 3: Cross multiply
    93,954.43x = 129,638.78 × 55,706.84
  4. Step 4: Simplify right side
    93,954.43x = 7,221,766,543.57
  5. Step 5: Solve for x
    x = 7,221,766,543.57/93,954.43
  6. Step 6: Final answer
    x = 76,864.57

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1.5x scale

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.