Home / 114,939.95-158,614.67-66,543.92

Finding the Fourth Proportional to 114,939.95, 158,614.67 and 66,543.92

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Solution

The fourth proportional to 114,939.95, 158,614.67 and 66,543.92 is: 91,829.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,939.95 : 158,614.67 = 66,543.92 : x
  2. Step 2: Convert to fraction form
    114,939.95/158,614.67 = 66,543.92/x
  3. Step 3: Cross multiply
    114,939.95x = 158,614.67 × 66,543.92
  4. Step 4: Simplify right side
    114,939.95x = 10,554,840,785.51
  5. Step 5: Solve for x
    x = 10,554,840,785.51/114,939.95
  6. Step 6: Final answer
    x = 91,829.18

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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.