Home / 98,036.28-135,314.10-55,619.64

Finding the Fourth Proportional to 98,036.28, 135,314.10 and 55,619.64

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Solution

The fourth proportional to 98,036.28, 135,314.10 and 55,619.64 is: 76,768.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,036.28 : 135,314.10 = 55,619.64 : x
  2. Step 2: Convert to fraction form
    98,036.28/135,314.10 = 55,619.64/x
  3. Step 3: Cross multiply
    98,036.28x = 135,314.10 × 55,619.64
  4. Step 4: Simplify right side
    98,036.28x = 7,526,121,528.92
  5. Step 5: Solve for x
    x = 7,526,121,528.92/98,036.28
  6. Step 6: Final answer
    x = 76,768.74

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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.