Home / 96,690.78-133,431.75-53,670.24

Finding the Fourth Proportional to 96,690.78, 133,431.75 and 53,670.24

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Solution

The fourth proportional to 96,690.78, 133,431.75 and 53,670.24 is: 74,064.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,690.78 : 133,431.75 = 53,670.24 : x
  2. Step 2: Convert to fraction form
    96,690.78/133,431.75 = 53,670.24/x
  3. Step 3: Cross multiply
    96,690.78x = 133,431.75 × 53,670.24
  4. Step 4: Simplify right side
    96,690.78x = 7,161,314,046.12
  5. Step 5: Solve for x
    x = 7,161,314,046.12/96,690.78
  6. Step 6: Final answer
    x = 74,064.08

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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.