Home / 64,077.06-96,118.20-21,986.08

Finding the Fourth Proportional to 64,077.06, 96,118.20 and 21,986.08

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Solution

The fourth proportional to 64,077.06, 96,118.20 and 21,986.08 is: 32,980.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,077.06 : 96,118.20 = 21,986.08 : x
  2. Step 2: Convert to fraction form
    64,077.06/96,118.20 = 21,986.08/x
  3. Step 3: Cross multiply
    64,077.06x = 96,118.20 × 21,986.08
  4. Step 4: Simplify right side
    64,077.06x = 2,113,262,434.66
  5. Step 5: Solve for x
    x = 2,113,262,434.66/64,077.06
  6. Step 6: Final answer
    x = 32,980.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.