Home / 109,006.97-163,434.98-55,595.30

Finding the Fourth Proportional to 109,006.97, 163,434.98 and 55,595.30

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Solution

The fourth proportional to 109,006.97, 163,434.98 and 55,595.30 is: 83,354.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,006.97 : 163,434.98 = 55,595.30 : x
  2. Step 2: Convert to fraction form
    109,006.97/163,434.98 = 55,595.30/x
  3. Step 3: Cross multiply
    109,006.97x = 163,434.98 × 55,595.30
  4. Step 4: Simplify right side
    109,006.97x = 9,086,216,065.41
  5. Step 5: Solve for x
    x = 9,086,216,065.41/109,006.97
  6. Step 6: Final answer
    x = 83,354.45

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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.