Home / 104,458.12-144,149.96-56,711.06

Finding the Fourth Proportional to 104,458.12, 144,149.96 and 56,711.06

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Solution

The fourth proportional to 104,458.12, 144,149.96 and 56,711.06 is: 78,260.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,458.12 : 144,149.96 = 56,711.06 : x
  2. Step 2: Convert to fraction form
    104,458.12/144,149.96 = 56,711.06/x
  3. Step 3: Cross multiply
    104,458.12x = 144,149.96 × 56,711.06
  4. Step 4: Simplify right side
    104,458.12x = 8,174,897,030.56
  5. Step 5: Solve for x
    x = 8,174,897,030.56/104,458.12
  6. Step 6: Final answer
    x = 78,260.04

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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.