Home / 105,335.84-158,051.25-57,319.04

Finding the Fourth Proportional to 105,335.84, 158,051.25 and 57,319.04

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Solution

The fourth proportional to 105,335.84, 158,051.25 and 57,319.04 is: 86,004.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,335.84 : 158,051.25 = 57,319.04 : x
  2. Step 2: Convert to fraction form
    105,335.84/158,051.25 = 57,319.04/x
  3. Step 3: Cross multiply
    105,335.84x = 158,051.25 × 57,319.04
  4. Step 4: Simplify right side
    105,335.84x = 9,059,346,315.93
  5. Step 5: Solve for x
    x = 9,059,346,315.93/105,335.84
  6. Step 6: Final answer
    x = 86,004.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.