Home / 56,885.22-85,318.11-15,322.50

Finding the Fourth Proportional to 56,885.22, 85,318.11 and 15,322.50

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Solution

The fourth proportional to 56,885.22, 85,318.11 and 15,322.50 is: 22,981.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,885.22 : 85,318.11 = 15,322.50 : x
  2. Step 2: Convert to fraction form
    56,885.22/85,318.11 = 15,322.50/x
  3. Step 3: Cross multiply
    56,885.22x = 85,318.11 × 15,322.50
  4. Step 4: Simplify right side
    56,885.22x = 1,307,286,740.48
  5. Step 5: Solve for x
    x = 1,307,286,740.48/56,885.22
  6. Step 6: Final answer
    x = 22,981.13

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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.