Home / 51,775.10-77,548.82-42,788.58

Finding the Fourth Proportional to 51,775.10, 77,548.82 and 42,788.58

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Solution

The fourth proportional to 51,775.10, 77,548.82 and 42,788.58 is: 64,088.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,775.10 : 77,548.82 = 42,788.58 : x
  2. Step 2: Convert to fraction form
    51,775.10/77,548.82 = 42,788.58/x
  3. Step 3: Cross multiply
    51,775.10x = 77,548.82 × 42,788.58
  4. Step 4: Simplify right side
    51,775.10x = 3,318,203,888.48
  5. Step 5: Solve for x
    x = 3,318,203,888.48/51,775.10
  6. Step 6: Final answer
    x = 64,088.80

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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.