Home / 106,438.68-146,886.50-58,693.76

Finding the Fourth Proportional to 106,438.68, 146,886.50 and 58,693.76

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Solution

The fourth proportional to 106,438.68, 146,886.50 and 58,693.76 is: 80,998.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,438.68 : 146,886.50 = 58,693.76 : x
  2. Step 2: Convert to fraction form
    106,438.68/146,886.50 = 58,693.76/x
  3. Step 3: Cross multiply
    106,438.68x = 146,886.50 × 58,693.76
  4. Step 4: Simplify right side
    106,438.68x = 8,621,320,978.24
  5. Step 5: Solve for x
    x = 8,621,320,978.24/106,438.68
  6. Step 6: Final answer
    x = 80,998.01

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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.