Home / 52,307.81-78,442.70-28,632.83

Finding the Fourth Proportional to 52,307.81, 78,442.70 and 28,632.83

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Solution

The fourth proportional to 52,307.81, 78,442.70 and 28,632.83 is: 42,938.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,307.81 : 78,442.70 = 28,632.83 : x
  2. Step 2: Convert to fraction form
    52,307.81/78,442.70 = 28,632.83/x
  3. Step 3: Cross multiply
    52,307.81x = 78,442.70 × 28,632.83
  4. Step 4: Simplify right side
    52,307.81x = 2,246,036,546.78
  5. Step 5: Solve for x
    x = 2,246,036,546.78/52,307.81
  6. Step 6: Final answer
    x = 42,938.84

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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.