Home / 103,829.58-143,281.71-58,510.08

Finding the Fourth Proportional to 103,829.58, 143,281.71 and 58,510.08

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Solution

The fourth proportional to 103,829.58, 143,281.71 and 58,510.08 is: 80,742.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,829.58 : 143,281.71 = 58,510.08 : x
  2. Step 2: Convert to fraction form
    103,829.58/143,281.71 = 58,510.08/x
  3. Step 3: Cross multiply
    103,829.58x = 143,281.71 × 58,510.08
  4. Step 4: Simplify right side
    103,829.58x = 8,383,424,314.64
  5. Step 5: Solve for x
    x = 8,383,424,314.64/103,829.58
  6. Step 6: Final answer
    x = 80,742.16

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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.