Home / 103,833.04-143,291.10-61,395.52

Finding the Fourth Proportional to 103,833.04, 143,291.10 and 61,395.52

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Solution

The fourth proportional to 103,833.04, 143,291.10 and 61,395.52 is: 84,726.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,833.04 : 143,291.10 = 61,395.52 : x
  2. Step 2: Convert to fraction form
    103,833.04/143,291.10 = 61,395.52/x
  3. Step 3: Cross multiply
    103,833.04x = 143,291.10 × 61,395.52
  4. Step 4: Simplify right side
    103,833.04x = 8,797,431,595.87
  5. Step 5: Solve for x
    x = 8,797,431,595.87/103,833.04
  6. Step 6: Final answer
    x = 84,726.71

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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.