Home / 64,779.12-97,160.94-17,397.81

Finding the Fourth Proportional to 64,779.12, 97,160.94 and 17,397.81

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Solution

The fourth proportional to 64,779.12, 97,160.94 and 17,397.81 is: 26,094.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,779.12 : 97,160.94 = 17,397.81 : x
  2. Step 2: Convert to fraction form
    64,779.12/97,160.94 = 17,397.81/x
  3. Step 3: Cross multiply
    64,779.12x = 97,160.94 × 17,397.81
  4. Step 4: Simplify right side
    64,779.12x = 1,690,387,573.54
  5. Step 5: Solve for x
    x = 1,690,387,573.54/64,779.12
  6. Step 6: Final answer
    x = 26,094.64

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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.