Home / 114,116.64-157,468.86-63,121.29

Finding the Fourth Proportional to 114,116.64, 157,468.86 and 63,121.29

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Solution

The fourth proportional to 114,116.64, 157,468.86 and 63,121.29 is: 87,100.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,116.64 : 157,468.86 = 63,121.29 : x
  2. Step 2: Convert to fraction form
    114,116.64/157,468.86 = 63,121.29/x
  3. Step 3: Cross multiply
    114,116.64x = 157,468.86 × 63,121.29
  4. Step 4: Simplify right side
    114,116.64x = 9,939,637,578.03
  5. Step 5: Solve for x
    x = 9,939,637,578.03/114,116.64
  6. Step 6: Final answer
    x = 87,100.69

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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.