Home / 109,699.02-164,548.54-39,578.30

Finding the Fourth Proportional to 109,699.02, 164,548.54 and 39,578.30

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Solution

The fourth proportional to 109,699.02, 164,548.54 and 39,578.30 is: 59,367.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,699.02 : 164,548.54 = 39,578.30 : x
  2. Step 2: Convert to fraction form
    109,699.02/164,548.54 = 39,578.30/x
  3. Step 3: Cross multiply
    109,699.02x = 164,548.54 × 39,578.30
  4. Step 4: Simplify right side
    109,699.02x = 6,512,551,480.68
  5. Step 5: Solve for x
    x = 6,512,551,480.68/109,699.02
  6. Step 6: Final answer
    x = 59,367.45

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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.