Home / 115,233.20-172,810.20-56,030.72

Finding the Fourth Proportional to 115,233.20, 172,810.20 and 56,030.72

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Solution

The fourth proportional to 115,233.20, 172,810.20 and 56,030.72 is: 84,026.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,233.20 : 172,810.20 = 56,030.72 : x
  2. Step 2: Convert to fraction form
    115,233.20/172,810.20 = 56,030.72/x
  3. Step 3: Cross multiply
    115,233.20x = 172,810.20 × 56,030.72
  4. Step 4: Simplify right side
    115,233.20x = 9,682,679,929.34
  5. Step 5: Solve for x
    x = 9,682,679,929.34/115,233.20
  6. Step 6: Final answer
    x = 84,026.82

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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.