Home / 97,223.68-145,779.90-57,808.36

Finding the Fourth Proportional to 97,223.68, 145,779.90 and 57,808.36

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Solution

The fourth proportional to 97,223.68, 145,779.90 and 57,808.36 is: 86,679.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,223.68 : 145,779.90 = 57,808.36 : x
  2. Step 2: Convert to fraction form
    97,223.68/145,779.90 = 57,808.36/x
  3. Step 3: Cross multiply
    97,223.68x = 145,779.90 × 57,808.36
  4. Step 4: Simplify right side
    97,223.68x = 8,427,296,939.96
  5. Step 5: Solve for x
    x = 8,427,296,939.96/97,223.68
  6. Step 6: Final answer
    x = 86,679.47

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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.