Home / 102,384.42-141,346.26-70,723.68

Finding the Fourth Proportional to 102,384.42, 141,346.26 and 70,723.68

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Solution

The fourth proportional to 102,384.42, 141,346.26 and 70,723.68 is: 97,637.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,384.42 : 141,346.26 = 70,723.68 : x
  2. Step 2: Convert to fraction form
    102,384.42/141,346.26 = 70,723.68/x
  3. Step 3: Cross multiply
    102,384.42x = 141,346.26 × 70,723.68
  4. Step 4: Simplify right side
    102,384.42x = 9,996,527,661.44
  5. Step 5: Solve for x
    x = 9,996,527,661.44/102,384.42
  6. Step 6: Final answer
    x = 97,637.20

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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.