Home / 56,564.28-84,788.10-25,421.40

Finding the Fourth Proportional to 56,564.28, 84,788.10 and 25,421.40

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Solution

The fourth proportional to 56,564.28, 84,788.10 and 25,421.40 is: 38,105.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,564.28 : 84,788.10 = 25,421.40 : x
  2. Step 2: Convert to fraction form
    56,564.28/84,788.10 = 25,421.40/x
  3. Step 3: Cross multiply
    56,564.28x = 84,788.10 × 25,421.40
  4. Step 4: Simplify right side
    56,564.28x = 2,155,432,205.34
  5. Step 5: Solve for x
    x = 2,155,432,205.34/56,564.28
  6. Step 6: Final answer
    x = 38,105.89

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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.