Home / 98,014.81-135,210.57-64,043.16

Finding the Fourth Proportional to 98,014.81, 135,210.57 and 64,043.16

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Solution

The fourth proportional to 98,014.81, 135,210.57 and 64,043.16 is: 88,346.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,014.81 : 135,210.57 = 64,043.16 : x
  2. Step 2: Convert to fraction form
    98,014.81/135,210.57 = 64,043.16/x
  3. Step 3: Cross multiply
    98,014.81x = 135,210.57 × 64,043.16
  4. Step 4: Simplify right side
    98,014.81x = 8,659,311,421.00
  5. Step 5: Solve for x
    x = 8,659,311,421.00/98,014.81
  6. Step 6: Final answer
    x = 88,346.97

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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.