Home / 90,768.18-125,208.96-54,460.22

Finding the Fourth Proportional to 90,768.18, 125,208.96 and 54,460.22

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Solution

The fourth proportional to 90,768.18, 125,208.96 and 54,460.22 is: 75,124.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,768.18 : 125,208.96 = 54,460.22 : x
  2. Step 2: Convert to fraction form
    90,768.18/125,208.96 = 54,460.22/x
  3. Step 3: Cross multiply
    90,768.18x = 125,208.96 × 54,460.22
  4. Step 4: Simplify right side
    90,768.18x = 6,818,908,193.26
  5. Step 5: Solve for x
    x = 6,818,908,193.26/90,768.18
  6. Step 6: Final answer
    x = 75,124.44

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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.