Home / 43,163.76-64,740.98-11,577

Finding the Fourth Proportional to 43,163.76, 64,740.98 and 11,577

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Solution

The fourth proportional to 43,163.76, 64,740.98 and 11,577 is: 17,364.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,163.76 : 64,740.98 = 11,577 : x
  2. Step 2: Convert to fraction form
    43,163.76/64,740.98 = 11,577/x
  3. Step 3: Cross multiply
    43,163.76x = 64,740.98 × 11,577
  4. Step 4: Simplify right side
    43,163.76x = 749,506,325.46
  5. Step 5: Solve for x
    x = 749,506,325.46/43,163.76
  6. Step 6: Final answer
    x = 17,364.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.