Home / 136,782.79-205,221.57-48,048.91

Finding the Fourth Proportional to 136,782.79, 205,221.57 and 48,048.91

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Solution

The fourth proportional to 136,782.79, 205,221.57 and 48,048.91 is: 72,090.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,782.79 : 205,221.57 = 48,048.91 : x
  2. Step 2: Convert to fraction form
    136,782.79/205,221.57 = 48,048.91/x
  3. Step 3: Cross multiply
    136,782.79x = 205,221.57 × 48,048.91
  4. Step 4: Simplify right side
    136,782.79x = 9,860,672,746.99
  5. Step 5: Solve for x
    x = 9,860,672,746.99/136,782.79
  6. Step 6: Final answer
    x = 72,090.01

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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.