Home / 91,660.56-126,395.64-67,837.20

Finding the Fourth Proportional to 91,660.56, 126,395.64 and 67,837.20

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Solution

The fourth proportional to 91,660.56, 126,395.64 and 67,837.20 is: 93,544.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,660.56 : 126,395.64 = 67,837.20 : x
  2. Step 2: Convert to fraction form
    91,660.56/126,395.64 = 67,837.20/x
  3. Step 3: Cross multiply
    91,660.56x = 126,395.64 × 67,837.20
  4. Step 4: Simplify right side
    91,660.56x = 8,574,326,309.81
  5. Step 5: Solve for x
    x = 8,574,326,309.81/91,660.56
  6. Step 6: Final answer
    x = 93,544.34

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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.