Home / 91,109.01-125,741.37-53,383.26

Finding the Fourth Proportional to 91,109.01, 125,741.37 and 53,383.26

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Solution

The fourth proportional to 91,109.01, 125,741.37 and 53,383.26 is: 73,675.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,109.01 : 125,741.37 = 53,383.26 : x
  2. Step 2: Convert to fraction form
    91,109.01/125,741.37 = 53,383.26/x
  3. Step 3: Cross multiply
    91,109.01x = 125,741.37 × 53,383.26
  4. Step 4: Simplify right side
    91,109.01x = 6,712,484,247.47
  5. Step 5: Solve for x
    x = 6,712,484,247.47/91,109.01
  6. Step 6: Final answer
    x = 73,675.31

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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.