Home / 97,301.88-145,508.10-70,737.12

Finding the Fourth Proportional to 97,301.88, 145,508.10 and 70,737.12

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Solution

The fourth proportional to 97,301.88, 145,508.10 and 70,737.12 is: 105,782.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,301.88 : 145,508.10 = 70,737.12 : x
  2. Step 2: Convert to fraction form
    97,301.88/145,508.10 = 70,737.12/x
  3. Step 3: Cross multiply
    97,301.88x = 145,508.10 × 70,737.12
  4. Step 4: Simplify right side
    97,301.88x = 10,292,823,930.67
  5. Step 5: Solve for x
    x = 10,292,823,930.67/97,301.88
  6. Step 6: Final answer
    x = 105,782.37

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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.