Home / 105,135.53-145,081.96-59,809.24

Finding the Fourth Proportional to 105,135.53, 145,081.96 and 59,809.24

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Solution

The fourth proportional to 105,135.53, 145,081.96 and 59,809.24 is: 82,533.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,135.53 : 145,081.96 = 59,809.24 : x
  2. Step 2: Convert to fraction form
    105,135.53/145,081.96 = 59,809.24/x
  3. Step 3: Cross multiply
    105,135.53x = 145,081.96 × 59,809.24
  4. Step 4: Simplify right side
    105,135.53x = 8,677,241,765.31
  5. Step 5: Solve for x
    x = 8,677,241,765.31/105,135.53
  6. Step 6: Final answer
    x = 82,533.87

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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.