Home / 93,581.43-129,142.71-51,139.97

Finding the Fourth Proportional to 93,581.43, 129,142.71 and 51,139.97

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Solution

The fourth proportional to 93,581.43, 129,142.71 and 51,139.97 is: 70,573.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,581.43 : 129,142.71 = 51,139.97 : x
  2. Step 2: Convert to fraction form
    93,581.43/129,142.71 = 51,139.97/x
  3. Step 3: Cross multiply
    93,581.43x = 129,142.71 × 51,139.97
  4. Step 4: Simplify right side
    93,581.43x = 6,604,353,669.41
  5. Step 5: Solve for x
    x = 6,604,353,669.41/93,581.43
  6. Step 6: Final answer
    x = 70,573.34

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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.