Home / 126,024-173,911.26-72,307.83

Finding the Fourth Proportional to 126,024, 173,911.26 and 72,307.83

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Solution

The fourth proportional to 126,024, 173,911.26 and 72,307.83 is: 99,783.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,024 : 173,911.26 = 72,307.83 : x
  2. Step 2: Convert to fraction form
    126,024/173,911.26 = 72,307.83/x
  3. Step 3: Cross multiply
    126,024x = 173,911.26 × 72,307.83
  4. Step 4: Simplify right side
    126,024x = 12,575,145,823.17
  5. Step 5: Solve for x
    x = 12,575,145,823.17/126,024
  6. Step 6: Final answer
    x = 99,783.74

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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.