Home / 115,782.90-173,583.63-45,714.66

Finding the Fourth Proportional to 115,782.90, 173,583.63 and 45,714.66

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Solution

The fourth proportional to 115,782.90, 173,583.63 and 45,714.66 is: 68,536.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,782.90 : 173,583.63 = 45,714.66 : x
  2. Step 2: Convert to fraction form
    115,782.90/173,583.63 = 45,714.66/x
  3. Step 3: Cross multiply
    115,782.90x = 173,583.63 × 45,714.66
  4. Step 4: Simplify right side
    115,782.90x = 7,935,316,627.02
  5. Step 5: Solve for x
    x = 7,935,316,627.02/115,782.90
  6. Step 6: Final answer
    x = 68,536.17

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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.