Home / 91,723.14-126,406.54-71,548.06

Finding the Fourth Proportional to 91,723.14, 126,406.54 and 71,548.06

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Solution

The fourth proportional to 91,723.14, 126,406.54 and 71,548.06 is: 98,602.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,723.14 : 126,406.54 = 71,548.06 : x
  2. Step 2: Convert to fraction form
    91,723.14/126,406.54 = 71,548.06/x
  3. Step 3: Cross multiply
    91,723.14x = 126,406.54 × 71,548.06
  4. Step 4: Simplify right side
    91,723.14x = 9,044,142,708.31
  5. Step 5: Solve for x
    x = 9,044,142,708.31/91,723.14
  6. Step 6: Final answer
    x = 98,602.63

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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.