Home / 108,867.87-163,291.59-37,779.45

Finding the Fourth Proportional to 108,867.87, 163,291.59 and 37,779.45

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Solution

The fourth proportional to 108,867.87, 163,291.59 and 37,779.45 is: 56,665.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,867.87 : 163,291.59 = 37,779.45 : x
  2. Step 2: Convert to fraction form
    108,867.87/163,291.59 = 37,779.45/x
  3. Step 3: Cross multiply
    108,867.87x = 163,291.59 × 37,779.45
  4. Step 4: Simplify right side
    108,867.87x = 6,169,066,459.83
  5. Step 5: Solve for x
    x = 6,169,066,459.83/108,867.87
  6. Step 6: Final answer
    x = 56,665.63

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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.