Home / 97,225.23-145,835.09-53,131.23

Finding the Fourth Proportional to 97,225.23, 145,835.09 and 53,131.23

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Solution

The fourth proportional to 97,225.23, 145,835.09 and 53,131.23 is: 79,695.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,225.23 : 145,835.09 = 53,131.23 : x
  2. Step 2: Convert to fraction form
    97,225.23/145,835.09 = 53,131.23/x
  3. Step 3: Cross multiply
    97,225.23x = 145,835.09 × 53,131.23
  4. Step 4: Simplify right side
    97,225.23x = 7,748,397,443.20
  5. Step 5: Solve for x
    x = 7,748,397,443.20/97,225.23
  6. Step 6: Final answer
    x = 79,695.34

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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.