Home / 104,399.33-144,068.76-57,830.81

Finding the Fourth Proportional to 104,399.33, 144,068.76 and 57,830.81

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Solution

The fourth proportional to 104,399.33, 144,068.76 and 57,830.81 is: 79,805.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,399.33 : 144,068.76 = 57,830.81 : x
  2. Step 2: Convert to fraction form
    104,399.33/144,068.76 = 57,830.81/x
  3. Step 3: Cross multiply
    104,399.33x = 144,068.76 × 57,830.81
  4. Step 4: Simplify right side
    104,399.33x = 8,331,612,366.15
  5. Step 5: Solve for x
    x = 8,331,612,366.15/104,399.33
  6. Step 6: Final answer
    x = 79,805.23

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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.