Home / 109,966.43-151,749.53-62,220.81

Finding the Fourth Proportional to 109,966.43, 151,749.53 and 62,220.81

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Solution

The fourth proportional to 109,966.43, 151,749.53 and 62,220.81 is: 85,862.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,966.43 : 151,749.53 = 62,220.81 : x
  2. Step 2: Convert to fraction form
    109,966.43/151,749.53 = 62,220.81/x
  3. Step 3: Cross multiply
    109,966.43x = 151,749.53 × 62,220.81
  4. Step 4: Simplify right side
    109,966.43x = 9,441,977,914.97
  5. Step 5: Solve for x
    x = 9,441,977,914.97/109,966.43
  6. Step 6: Final answer
    x = 85,862.37

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1.5x scale

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.