Home / 52,551.12-78,784.92-30,339.36

Finding the Fourth Proportional to 52,551.12, 78,784.92 and 30,339.36

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Solution

The fourth proportional to 52,551.12, 78,784.92 and 30,339.36 is: 45,484.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,551.12 : 78,784.92 = 30,339.36 : x
  2. Step 2: Convert to fraction form
    52,551.12/78,784.92 = 30,339.36/x
  3. Step 3: Cross multiply
    52,551.12x = 78,784.92 × 30,339.36
  4. Step 4: Simplify right side
    52,551.12x = 2,390,284,050.45
  5. Step 5: Solve for x
    x = 2,390,284,050.45/52,551.12
  6. Step 6: Final answer
    x = 45,484.93

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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.