Home / 91,505.23-126,259.26-57,494.01

Finding the Fourth Proportional to 91,505.23, 126,259.26 and 57,494.01

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Solution

The fourth proportional to 91,505.23, 126,259.26 and 57,494.01 is: 79,330.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,505.23 : 126,259.26 = 57,494.01 : x
  2. Step 2: Convert to fraction form
    91,505.23/126,259.26 = 57,494.01/x
  3. Step 3: Cross multiply
    91,505.23x = 126,259.26 × 57,494.01
  4. Step 4: Simplify right side
    91,505.23x = 7,259,151,157.03
  5. Step 5: Solve for x
    x = 7,259,151,157.03/91,505.23
  6. Step 6: Final answer
    x = 79,330.45

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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.