Home / 52,685.08-78,944.39-42,775.95

Finding the Fourth Proportional to 52,685.08, 78,944.39 and 42,775.95

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Solution

The fourth proportional to 52,685.08, 78,944.39 and 42,775.95 is: 64,096.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,685.08 : 78,944.39 = 42,775.95 : x
  2. Step 2: Convert to fraction form
    52,685.08/78,944.39 = 42,775.95/x
  3. Step 3: Cross multiply
    52,685.08x = 78,944.39 × 42,775.95
  4. Step 4: Simplify right side
    52,685.08x = 3,376,920,991.64
  5. Step 5: Solve for x
    x = 3,376,920,991.64/52,685.08
  6. Step 6: Final answer
    x = 64,096.34

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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.