Home / 70,877.03-106,215.30-39,301.00

Finding the Fourth Proportional to 70,877.03, 106,215.30 and 39,301.00

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Solution

The fourth proportional to 70,877.03, 106,215.30 and 39,301.00 is: 58,895.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,877.03 : 106,215.30 = 39,301.00 : x
  2. Step 2: Convert to fraction form
    70,877.03/106,215.30 = 39,301.00/x
  3. Step 3: Cross multiply
    70,877.03x = 106,215.30 × 39,301.00
  4. Step 4: Simplify right side
    70,877.03x = 4,174,367,239.76
  5. Step 5: Solve for x
    x = 4,174,367,239.76/70,877.03
  6. Step 6: Final answer
    x = 58,895.91

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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.