Home / 91,627.40-126,507.42-57,224.48

Finding the Fourth Proportional to 91,627.40, 126,507.42 and 57,224.48

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Solution

The fourth proportional to 91,627.40, 126,507.42 and 57,224.48 is: 79,008.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,627.40 : 126,507.42 = 57,224.48 : x
  2. Step 2: Convert to fraction form
    91,627.40/126,507.42 = 57,224.48/x
  3. Step 3: Cross multiply
    91,627.40x = 126,507.42 × 57,224.48
  4. Step 4: Simplify right side
    91,627.40x = 7,239,320,693.10
  5. Step 5: Solve for x
    x = 7,239,320,693.10/91,627.40
  6. Step 6: Final answer
    x = 79,008.25

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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.