Home / 82,010.16-113,195.14-53,401.23

Finding the Fourth Proportional to 82,010.16, 113,195.14 and 53,401.23

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Solution

The fourth proportional to 82,010.16, 113,195.14 and 53,401.23 is: 73,707.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,010.16 : 113,195.14 = 53,401.23 : x
  2. Step 2: Convert to fraction form
    82,010.16/113,195.14 = 53,401.23/x
  3. Step 3: Cross multiply
    82,010.16x = 113,195.14 × 53,401.23
  4. Step 4: Simplify right side
    82,010.16x = 6,044,759,439.02
  5. Step 5: Solve for x
    x = 6,044,759,439.02/82,010.16
  6. Step 6: Final answer
    x = 73,707.45

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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.