Home / 103,974.57-143,478.23-59,259.69

Finding the Fourth Proportional to 103,974.57, 143,478.23 and 59,259.69

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Solution

The fourth proportional to 103,974.57, 143,478.23 and 59,259.69 is: 81,774.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,974.57 : 143,478.23 = 59,259.69 : x
  2. Step 2: Convert to fraction form
    103,974.57/143,478.23 = 59,259.69/x
  3. Step 3: Cross multiply
    103,974.57x = 143,478.23 × 59,259.69
  4. Step 4: Simplify right side
    103,974.57x = 8,502,475,135.25
  5. Step 5: Solve for x
    x = 8,502,475,135.25/103,974.57
  6. Step 6: Final answer
    x = 81,774.56

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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.