Home / 114,072.04-157,410.66-63,764.20

Finding the Fourth Proportional to 114,072.04, 157,410.66 and 63,764.20

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Solution

The fourth proportional to 114,072.04, 157,410.66 and 63,764.20 is: 87,989.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,072.04 : 157,410.66 = 63,764.20 : x
  2. Step 2: Convert to fraction form
    114,072.04/157,410.66 = 63,764.20/x
  3. Step 3: Cross multiply
    114,072.04x = 157,410.66 × 63,764.20
  4. Step 4: Simplify right side
    114,072.04x = 10,037,164,806.37
  5. Step 5: Solve for x
    x = 10,037,164,806.37/114,072.04
  6. Step 6: Final answer
    x = 87,989.70

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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.