Home / 68,054.09-101,421.81-64,511.15

Finding the Fourth Proportional to 68,054.09, 101,421.81 and 64,511.15

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Solution

The fourth proportional to 68,054.09, 101,421.81 and 64,511.15 is: 96,141.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,054.09 : 101,421.81 = 64,511.15 : x
  2. Step 2: Convert to fraction form
    68,054.09/101,421.81 = 64,511.15/x
  3. Step 3: Cross multiply
    68,054.09x = 101,421.81 × 64,511.15
  4. Step 4: Simplify right side
    68,054.09x = 6,542,837,598.18
  5. Step 5: Solve for x
    x = 6,542,837,598.18/68,054.09
  6. Step 6: Final answer
    x = 96,141.72

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.