Home / 109,461.40-164,192.10-39,347.80

Finding the Fourth Proportional to 109,461.40, 164,192.10 and 39,347.80

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Solution

The fourth proportional to 109,461.40, 164,192.10 and 39,347.80 is: 59,021.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,461.40 : 164,192.10 = 39,347.80 : x
  2. Step 2: Convert to fraction form
    109,461.40/164,192.10 = 39,347.80/x
  3. Step 3: Cross multiply
    109,461.40x = 164,192.10 × 39,347.80
  4. Step 4: Simplify right side
    109,461.40x = 6,460,597,912.38
  5. Step 5: Solve for x
    x = 6,460,597,912.38/109,461.40
  6. Step 6: Final answer
    x = 59,021.70

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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.