Home / 104,030.40-143,561.37-58,723.11

Finding the Fourth Proportional to 104,030.40, 143,561.37 and 58,723.11

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Solution

The fourth proportional to 104,030.40, 143,561.37 and 58,723.11 is: 81,037.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,030.40 : 143,561.37 = 58,723.11 : x
  2. Step 2: Convert to fraction form
    104,030.40/143,561.37 = 58,723.11/x
  3. Step 3: Cross multiply
    104,030.40x = 143,561.37 × 58,723.11
  4. Step 4: Simplify right side
    104,030.40x = 8,430,370,122.26
  5. Step 5: Solve for x
    x = 8,430,370,122.26/104,030.40
  6. Step 6: Final answer
    x = 81,037.56

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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.