Home / 84,373.74-116,422.38-54,186.66

Finding the Fourth Proportional to 84,373.74, 116,422.38 and 54,186.66

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Solution

The fourth proportional to 84,373.74, 116,422.38 and 54,186.66 is: 74,769.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,373.74 : 116,422.38 = 54,186.66 : x
  2. Step 2: Convert to fraction form
    84,373.74/116,422.38 = 54,186.66/x
  3. Step 3: Cross multiply
    84,373.74x = 116,422.38 × 54,186.66
  4. Step 4: Simplify right side
    84,373.74x = 6,308,539,921.45
  5. Step 5: Solve for x
    x = 6,308,539,921.45/84,373.74
  6. Step 6: Final answer
    x = 74,769.00

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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.