Home / 124,747.83-172,152.54-68,160.42

Finding the Fourth Proportional to 124,747.83, 172,152.54 and 68,160.42

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Solution

The fourth proportional to 124,747.83, 172,152.54 and 68,160.42 is: 94,061.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,747.83 : 172,152.54 = 68,160.42 : x
  2. Step 2: Convert to fraction form
    124,747.83/172,152.54 = 68,160.42/x
  3. Step 3: Cross multiply
    124,747.83x = 172,152.54 × 68,160.42
  4. Step 4: Simplify right side
    124,747.83x = 11,733,989,430.47
  5. Step 5: Solve for x
    x = 11,733,989,430.47/124,747.83
  6. Step 6: Final answer
    x = 94,061.67

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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.