Home / 56,733.84-78,400.60-42,562.08

Finding the Fourth Proportional to 56,733.84, 78,400.60 and 42,562.08

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Solution

The fourth proportional to 56,733.84, 78,400.60 and 42,562.08 is: 58,816.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,733.84 : 78,400.60 = 42,562.08 : x
  2. Step 2: Convert to fraction form
    56,733.84/78,400.60 = 42,562.08/x
  3. Step 3: Cross multiply
    56,733.84x = 78,400.60 × 42,562.08
  4. Step 4: Simplify right side
    56,733.84x = 3,336,892,609.25
  5. Step 5: Solve for x
    x = 3,336,892,609.25/56,733.84
  6. Step 6: Final answer
    x = 58,816.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.