Home / 91,065.09-125,669.83-53,339.34

Finding the Fourth Proportional to 91,065.09, 125,669.83 and 53,339.34

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Solution

The fourth proportional to 91,065.09, 125,669.83 and 53,339.34 is: 73,608.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,065.09 : 125,669.83 = 53,339.34 : x
  2. Step 2: Convert to fraction form
    91,065.09/125,669.83 = 53,339.34/x
  3. Step 3: Cross multiply
    91,065.09x = 125,669.83 × 53,339.34
  4. Step 4: Simplify right side
    91,065.09x = 6,703,146,228.04
  5. Step 5: Solve for x
    x = 6,703,146,228.04/91,065.09
  6. Step 6: Final answer
    x = 73,608.29

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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.