Home / 56,643.30-78,148.26-35,125.26

Finding the Fourth Proportional to 56,643.30, 78,148.26 and 35,125.26

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Solution

The fourth proportional to 56,643.30, 78,148.26 and 35,125.26 is: 48,460.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,643.30 : 78,148.26 = 35,125.26 : x
  2. Step 2: Convert to fraction form
    56,643.30/78,148.26 = 35,125.26/x
  3. Step 3: Cross multiply
    56,643.30x = 78,148.26 × 35,125.26
  4. Step 4: Simplify right side
    56,643.30x = 2,744,977,951.05
  5. Step 5: Solve for x
    x = 2,744,977,951.05/56,643.30
  6. Step 6: Final answer
    x = 48,460.77

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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.