Home / 109,869.40-164,804.10-46,673.20

Finding the Fourth Proportional to 109,869.40, 164,804.10 and 46,673.20

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Solution

The fourth proportional to 109,869.40, 164,804.10 and 46,673.20 is: 70,009.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,869.40 : 164,804.10 = 46,673.20 : x
  2. Step 2: Convert to fraction form
    109,869.40/164,804.10 = 46,673.20/x
  3. Step 3: Cross multiply
    109,869.40x = 164,804.10 × 46,673.20
  4. Step 4: Simplify right side
    109,869.40x = 7,691,934,720.12
  5. Step 5: Solve for x
    x = 7,691,934,720.12/109,869.40
  6. Step 6: Final answer
    x = 70,009.80

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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.