Home / 91,994.11-126,955.47-51,707.75

Finding the Fourth Proportional to 91,994.11, 126,955.47 and 51,707.75

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Solution

The fourth proportional to 91,994.11, 126,955.47 and 51,707.75 is: 71,358.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,994.11 : 126,955.47 = 51,707.75 : x
  2. Step 2: Convert to fraction form
    91,994.11/126,955.47 = 51,707.75/x
  3. Step 3: Cross multiply
    91,994.11x = 126,955.47 × 51,707.75
  4. Step 4: Simplify right side
    91,994.11x = 6,564,580,810.58
  5. Step 5: Solve for x
    x = 6,564,580,810.58/91,994.11
  6. Step 6: Final answer
    x = 71,358.71

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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.