Home / 91,723.16-126,583.08-69,021.30

Finding the Fourth Proportional to 91,723.16, 126,583.08 and 69,021.30

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Solution

The fourth proportional to 91,723.16, 126,583.08 and 69,021.30 is: 95,253.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,723.16 : 126,583.08 = 69,021.30 : x
  2. Step 2: Convert to fraction form
    91,723.16/126,583.08 = 69,021.30/x
  3. Step 3: Cross multiply
    91,723.16x = 126,583.08 × 69,021.30
  4. Step 4: Simplify right side
    91,723.16x = 8,736,928,739.60
  5. Step 5: Solve for x
    x = 8,736,928,739.60/91,723.16
  6. Step 6: Final answer
    x = 95,253.25

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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.