Home / 91,627.04-126,449.88-55,811.36

Finding the Fourth Proportional to 91,627.04, 126,449.88 and 55,811.36

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Solution

The fourth proportional to 91,627.04, 126,449.88 and 55,811.36 is: 77,022.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,627.04 : 126,449.88 = 55,811.36 : x
  2. Step 2: Convert to fraction form
    91,627.04/126,449.88 = 55,811.36/x
  3. Step 3: Cross multiply
    91,627.04x = 126,449.88 × 55,811.36
  4. Step 4: Simplify right side
    91,627.04x = 7,057,339,774.64
  5. Step 5: Solve for x
    x = 7,057,339,774.64/91,627.04
  6. Step 6: Final answer
    x = 77,022.46

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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.