Home / 52,775.40-79,138.48-30,595.12

Finding the Fourth Proportional to 52,775.40, 79,138.48 and 30,595.12

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Solution

The fourth proportional to 52,775.40, 79,138.48 and 30,595.12 is: 45,878.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,775.40 : 79,138.48 = 30,595.12 : x
  2. Step 2: Convert to fraction form
    52,775.40/79,138.48 = 30,595.12/x
  3. Step 3: Cross multiply
    52,775.40x = 79,138.48 × 30,595.12
  4. Step 4: Simplify right side
    52,775.40x = 2,421,251,292.22
  5. Step 5: Solve for x
    x = 2,421,251,292.22/52,775.40
  6. Step 6: Final answer
    x = 45,878.41

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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.