Home / 109,379.47-164,070.02-39,259.39

Finding the Fourth Proportional to 109,379.47, 164,070.02 and 39,259.39

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Solution

The fourth proportional to 109,379.47, 164,070.02 and 39,259.39 is: 58,889.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,379.47 : 164,070.02 = 39,259.39 : x
  2. Step 2: Convert to fraction form
    109,379.47/164,070.02 = 39,259.39/x
  3. Step 3: Cross multiply
    109,379.47x = 164,070.02 × 39,259.39
  4. Step 4: Simplify right side
    109,379.47x = 6,441,288,902.49
  5. Step 5: Solve for x
    x = 6,441,288,902.49/109,379.47
  6. Step 6: Final answer
    x = 58,889.38

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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.