Home / 108,814.15-163,122.69-38,677.06

Finding the Fourth Proportional to 108,814.15, 163,122.69 and 38,677.06

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Solution

The fourth proportional to 108,814.15, 163,122.69 and 38,677.06 is: 57,980.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,814.15 : 163,122.69 = 38,677.06 : x
  2. Step 2: Convert to fraction form
    108,814.15/163,122.69 = 38,677.06/x
  3. Step 3: Cross multiply
    108,814.15x = 163,122.69 × 38,677.06
  4. Step 4: Simplify right side
    108,814.15x = 6,309,106,417.43
  5. Step 5: Solve for x
    x = 6,309,106,417.43/108,814.15
  6. Step 6: Final answer
    x = 57,980.57

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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.