Home / 56,988.06-78,638.22-33,114.39

Finding the Fourth Proportional to 56,988.06, 78,638.22 and 33,114.39

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Solution

The fourth proportional to 56,988.06, 78,638.22 and 33,114.39 is: 45,694.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,988.06 : 78,638.22 = 33,114.39 : x
  2. Step 2: Convert to fraction form
    56,988.06/78,638.22 = 33,114.39/x
  3. Step 3: Cross multiply
    56,988.06x = 78,638.22 × 33,114.39
  4. Step 4: Simplify right side
    56,988.06x = 2,604,056,685.99
  5. Step 5: Solve for x
    x = 2,604,056,685.99/56,988.06
  6. Step 6: Final answer
    x = 45,694.78

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1.5x scale

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.