Home / 114,106.15-157,454.37-63,110.78

Finding the Fourth Proportional to 114,106.15, 157,454.37 and 63,110.78

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Solution

The fourth proportional to 114,106.15, 157,454.37 and 63,110.78 is: 87,086.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,106.15 : 157,454.37 = 63,110.78 : x
  2. Step 2: Convert to fraction form
    114,106.15/157,454.37 = 63,110.78/x
  3. Step 3: Cross multiply
    114,106.15x = 157,454.37 × 63,110.78
  4. Step 4: Simplify right side
    114,106.15x = 9,937,067,317.84
  5. Step 5: Solve for x
    x = 9,937,067,317.84/114,106.15
  6. Step 6: Final answer
    x = 87,086.17

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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.