Home / 91,065.03-125,669.75-53,339.28

Finding the Fourth Proportional to 91,065.03, 125,669.75 and 53,339.28

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Solution

The fourth proportional to 91,065.03, 125,669.75 and 53,339.28 is: 73,608.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,065.03 : 125,669.75 = 53,339.28 : x
  2. Step 2: Convert to fraction form
    91,065.03/125,669.75 = 53,339.28/x
  3. Step 3: Cross multiply
    91,065.03x = 125,669.75 × 53,339.28
  4. Step 4: Simplify right side
    91,065.03x = 6,703,133,716.08
  5. Step 5: Solve for x
    x = 6,703,133,716.08/91,065.03
  6. Step 6: Final answer
    x = 73,608.21

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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.