Home / 55,362.20-76,403.93-31,496.55

Finding the Fourth Proportional to 55,362.20, 76,403.93 and 31,496.55

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Solution

The fourth proportional to 55,362.20, 76,403.93 and 31,496.55 is: 43,467.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,362.20 : 76,403.93 = 31,496.55 : x
  2. Step 2: Convert to fraction form
    55,362.20/76,403.93 = 31,496.55/x
  3. Step 3: Cross multiply
    55,362.20x = 76,403.93 × 31,496.55
  4. Step 4: Simplify right side
    55,362.20x = 2,406,460,043.96
  5. Step 5: Solve for x
    x = 2,406,460,043.96/55,362.20
  6. Step 6: Final answer
    x = 43,467.57

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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.