Home / 91,305.71-125,998.25-53,063.45

Finding the Fourth Proportional to 91,305.71, 125,998.25 and 53,063.45

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Solution

The fourth proportional to 91,305.71, 125,998.25 and 53,063.45 is: 73,225.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,305.71 : 125,998.25 = 53,063.45 : x
  2. Step 2: Convert to fraction form
    91,305.71/125,998.25 = 53,063.45/x
  3. Step 3: Cross multiply
    91,305.71x = 125,998.25 × 53,063.45
  4. Step 4: Simplify right side
    91,305.71x = 6,685,902,535.30
  5. Step 5: Solve for x
    x = 6,685,902,535.30/91,305.71
  6. Step 6: Final answer
    x = 73,225.46

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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.