Home / 106,631.51-147,151.38-58,884.75

Finding the Fourth Proportional to 106,631.51, 147,151.38 and 58,884.75

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Solution

The fourth proportional to 106,631.51, 147,151.38 and 58,884.75 is: 81,260.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,631.51 : 147,151.38 = 58,884.75 : x
  2. Step 2: Convert to fraction form
    106,631.51/147,151.38 = 58,884.75/x
  3. Step 3: Cross multiply
    106,631.51x = 147,151.38 × 58,884.75
  4. Step 4: Simplify right side
    106,631.51x = 8,664,972,030.41
  5. Step 5: Solve for x
    x = 8,664,972,030.41/106,631.51
  6. Step 6: Final answer
    x = 81,260.89

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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.