Home / 55,308.03-76,324.32-30,157.53

Finding the Fourth Proportional to 55,308.03, 76,324.32 and 30,157.53

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Solution

The fourth proportional to 55,308.03, 76,324.32 and 30,157.53 is: 41,616.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,308.03 : 76,324.32 = 30,157.53 : x
  2. Step 2: Convert to fraction form
    55,308.03/76,324.32 = 30,157.53/x
  3. Step 3: Cross multiply
    55,308.03x = 76,324.32 × 30,157.53
  4. Step 4: Simplify right side
    55,308.03x = 2,301,752,970.13
  5. Step 5: Solve for x
    x = 2,301,752,970.13/55,308.03
  6. Step 6: Final answer
    x = 41,616.98

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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.