Home / 108,965.04-163,435.40-37,875.39

Finding the Fourth Proportional to 108,965.04, 163,435.40 and 37,875.39

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Solution

The fourth proportional to 108,965.04, 163,435.40 and 37,875.39 is: 56,808.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,965.04 : 163,435.40 = 37,875.39 : x
  2. Step 2: Convert to fraction form
    108,965.04/163,435.40 = 37,875.39/x
  3. Step 3: Cross multiply
    108,965.04x = 163,435.40 × 37,875.39
  4. Step 4: Simplify right side
    108,965.04x = 6,190,179,514.81
  5. Step 5: Solve for x
    x = 6,190,179,514.81/108,965.04
  6. Step 6: Final answer
    x = 56,808.86

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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.