Home / 56,985.04-85,403.55-23,211.67

Finding the Fourth Proportional to 56,985.04, 85,403.55 and 23,211.67

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Solution

The fourth proportional to 56,985.04, 85,403.55 and 23,211.67 is: 34,787.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,985.04 : 85,403.55 = 23,211.67 : x
  2. Step 2: Convert to fraction form
    56,985.04/85,403.55 = 23,211.67/x
  3. Step 3: Cross multiply
    56,985.04x = 85,403.55 × 23,211.67
  4. Step 4: Simplify right side
    56,985.04x = 1,982,359,019.43
  5. Step 5: Solve for x
    x = 1,982,359,019.43/56,985.04
  6. Step 6: Final answer
    x = 34,787.36

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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.