Home / 82,009.16-113,193.75-53,400.23

Finding the Fourth Proportional to 82,009.16, 113,193.75 and 53,400.23

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Solution

The fourth proportional to 82,009.16, 113,193.75 and 53,400.23 is: 73,706.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,009.16 : 113,193.75 = 53,400.23 : x
  2. Step 2: Convert to fraction form
    82,009.16/113,193.75 = 53,400.23/x
  3. Step 3: Cross multiply
    82,009.16x = 113,193.75 × 53,400.23
  4. Step 4: Simplify right side
    82,009.16x = 6,044,572,343.32
  5. Step 5: Solve for x
    x = 6,044,572,343.32/82,009.16
  6. Step 6: Final answer
    x = 73,706.06

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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.