Home / 91,969.24-126,918.38-55,671.52

Finding the Fourth Proportional to 91,969.24, 126,918.38 and 55,671.52

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Solution

The fourth proportional to 91,969.24, 126,918.38 and 55,671.52 is: 76,827.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,969.24 : 126,918.38 = 55,671.52 : x
  2. Step 2: Convert to fraction form
    91,969.24/126,918.38 = 55,671.52/x
  3. Step 3: Cross multiply
    91,969.24x = 126,918.38 × 55,671.52
  4. Step 4: Simplify right side
    91,969.24x = 7,065,739,130.54
  5. Step 5: Solve for x
    x = 7,065,739,130.54/91,969.24
  6. Step 6: Final answer
    x = 76,827.20

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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.