Home / 112,595.14-155,394.62-63,538.03

Finding the Fourth Proportional to 112,595.14, 155,394.62 and 63,538.03

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Solution

The fourth proportional to 112,595.14, 155,394.62 and 63,538.03 is: 87,690.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,595.14 : 155,394.62 = 63,538.03 : x
  2. Step 2: Convert to fraction form
    112,595.14/155,394.62 = 63,538.03/x
  3. Step 3: Cross multiply
    112,595.14x = 155,394.62 × 63,538.03
  4. Step 4: Simplify right side
    112,595.14x = 9,873,467,709.71
  5. Step 5: Solve for x
    x = 9,873,467,709.71/112,595.14
  6. Step 6: Final answer
    x = 87,690.00

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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.