Home / 124,946.85-172,247.30-89,074.58

Finding the Fourth Proportional to 124,946.85, 172,247.30 and 89,074.58

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Solution

The fourth proportional to 124,946.85, 172,247.30 and 89,074.58 is: 122,795.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,946.85 : 172,247.30 = 89,074.58 : x
  2. Step 2: Convert to fraction form
    124,946.85/172,247.30 = 89,074.58/x
  3. Step 3: Cross multiply
    124,946.85x = 172,247.30 × 89,074.58
  4. Step 4: Simplify right side
    124,946.85x = 15,342,855,242.95
  5. Step 5: Solve for x
    x = 15,342,855,242.95/124,946.85
  6. Step 6: Final answer
    x = 122,795.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.