Home / 91,322.79-126,025.27-53,104.75

Finding the Fourth Proportional to 91,322.79, 126,025.27 and 53,104.75

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Solution

The fourth proportional to 91,322.79, 126,025.27 and 53,104.75 is: 73,284.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,322.79 : 126,025.27 = 53,104.75 : x
  2. Step 2: Convert to fraction form
    91,322.79/126,025.27 = 53,104.75/x
  3. Step 3: Cross multiply
    91,322.79x = 126,025.27 × 53,104.75
  4. Step 4: Simplify right side
    91,322.79x = 6,692,540,457.03
  5. Step 5: Solve for x
    x = 6,692,540,457.03/91,322.79
  6. Step 6: Final answer
    x = 73,284.45

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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.