Home / 107,038.20-147,712.86-59,290.56

Finding the Fourth Proportional to 107,038.20, 147,712.86 and 59,290.56

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Solution

The fourth proportional to 107,038.20, 147,712.86 and 59,290.56 is: 81,821.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,038.20 : 147,712.86 = 59,290.56 : x
  2. Step 2: Convert to fraction form
    107,038.20/147,712.86 = 59,290.56/x
  3. Step 3: Cross multiply
    107,038.20x = 147,712.86 × 59,290.56
  4. Step 4: Simplify right side
    107,038.20x = 8,757,978,188.60
  5. Step 5: Solve for x
    x = 8,757,978,188.60/107,038.20
  6. Step 6: Final answer
    x = 81,821.05

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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.