Home / 93,818.17-129,416.55-55,540.37

Finding the Fourth Proportional to 93,818.17, 129,416.55 and 55,540.37

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Solution

The fourth proportional to 93,818.17, 129,416.55 and 55,540.37 is: 76,614.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,818.17 : 129,416.55 = 55,540.37 : x
  2. Step 2: Convert to fraction form
    93,818.17/129,416.55 = 55,540.37/x
  3. Step 3: Cross multiply
    93,818.17x = 129,416.55 × 55,540.37
  4. Step 4: Simplify right side
    93,818.17x = 7,187,843,186.39
  5. Step 5: Solve for x
    x = 7,187,843,186.39/93,818.17
  6. Step 6: Final answer
    x = 76,614.62

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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.