Home / 74,332.11-102,577.04-40,797.87

Finding the Fourth Proportional to 74,332.11, 102,577.04 and 40,797.87

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Solution

The fourth proportional to 74,332.11, 102,577.04 and 40,797.87 is: 56,300.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,332.11 : 102,577.04 = 40,797.87 : x
  2. Step 2: Convert to fraction form
    74,332.11/102,577.04 = 40,797.87/x
  3. Step 3: Cross multiply
    74,332.11x = 102,577.04 × 40,797.87
  4. Step 4: Simplify right side
    74,332.11x = 4,184,924,538.92
  5. Step 5: Solve for x
    x = 4,184,924,538.92/74,332.11
  6. Step 6: Final answer
    x = 56,300.36

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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.