Home / 56,811.06-78,390.09-34,144.63

Finding the Fourth Proportional to 56,811.06, 78,390.09 and 34,144.63

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Solution

The fourth proportional to 56,811.06, 78,390.09 and 34,144.63 is: 47,114.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,811.06 : 78,390.09 = 34,144.63 : x
  2. Step 2: Convert to fraction form
    56,811.06/78,390.09 = 34,144.63/x
  3. Step 3: Cross multiply
    56,811.06x = 78,390.09 × 34,144.63
  4. Step 4: Simplify right side
    56,811.06x = 2,676,600,422.74
  5. Step 5: Solve for x
    x = 2,676,600,422.74/56,811.06
  6. Step 6: Final answer
    x = 47,114.07

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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.