Home / 95,039.64-131,140.59-57,724.45

Finding the Fourth Proportional to 95,039.64, 131,140.59 and 57,724.45

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Solution

The fourth proportional to 95,039.64, 131,140.59 and 57,724.45 is: 79,651.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,039.64 : 131,140.59 = 57,724.45 : x
  2. Step 2: Convert to fraction form
    95,039.64/131,140.59 = 57,724.45/x
  3. Step 3: Cross multiply
    95,039.64x = 131,140.59 × 57,724.45
  4. Step 4: Simplify right side
    95,039.64x = 7,570,018,786.12
  5. Step 5: Solve for x
    x = 7,570,018,786.12/95,039.64
  6. Step 6: Final answer
    x = 79,651.17

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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.