Home / 109,245.06-163,871.64-39,124.26

Finding the Fourth Proportional to 109,245.06, 163,871.64 and 39,124.26

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Solution

The fourth proportional to 109,245.06, 163,871.64 and 39,124.26 is: 58,687.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,245.06 : 163,871.64 = 39,124.26 : x
  2. Step 2: Convert to fraction form
    109,245.06/163,871.64 = 39,124.26/x
  3. Step 3: Cross multiply
    109,245.06x = 163,871.64 × 39,124.26
  4. Step 4: Simplify right side
    109,245.06x = 6,411,356,649.99
  5. Step 5: Solve for x
    x = 6,411,356,649.99/109,245.06
  6. Step 6: Final answer
    x = 58,687.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.