Home / 103,648.11-143,032.71-58,326.07

Finding the Fourth Proportional to 103,648.11, 143,032.71 and 58,326.07

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Solution

The fourth proportional to 103,648.11, 143,032.71 and 58,326.07 is: 80,489.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,648.11 : 143,032.71 = 58,326.07 : x
  2. Step 2: Convert to fraction form
    103,648.11/143,032.71 = 58,326.07/x
  3. Step 3: Cross multiply
    103,648.11x = 143,032.71 × 58,326.07
  4. Step 4: Simplify right side
    103,648.11x = 8,342,535,855.75
  5. Step 5: Solve for x
    x = 8,342,535,855.75/103,648.11
  6. Step 6: Final answer
    x = 80,489.03

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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.