Home / 97,730.42-134,882.09-56,329.35

Finding the Fourth Proportional to 97,730.42, 134,882.09 and 56,329.35

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Solution

The fourth proportional to 97,730.42, 134,882.09 and 56,329.35 is: 77,742.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,730.42 : 134,882.09 = 56,329.35 : x
  2. Step 2: Convert to fraction form
    97,730.42/134,882.09 = 56,329.35/x
  3. Step 3: Cross multiply
    97,730.42x = 134,882.09 × 56,329.35
  4. Step 4: Simplify right side
    97,730.42x = 7,597,820,174.69
  5. Step 5: Solve for x
    x = 7,597,820,174.69/97,730.42
  6. Step 6: Final answer
    x = 77,742.64

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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.